/*=============================================
=           Style Tổng Hợp Hoàn Thiện          =
=============================================*/

/*---------------------------------------------
  1. Variables & Theme
---------------------------------------------*/
:root {
    /* Colors */
    --color-bg: #f7fafd;
    --color-surface: #fafbfc;
    --color-surface-alt: #f2f3f7;
    --color-primary-start: #1a2233;
    --color-primary-end: #4f8cff;
    --color-primary-light: #1a8cff;
    --color-accent: #4f8cff;
    --color-danger: #d32f2f;
    --color-text: #1a2233;
    /* Gradients */
    --gradient-primary: linear-gradient(90deg, var(--color-primary-start) 60%, var(--color-primary-end) 100%);
    --gradient-btn: linear-gradient(90deg, var(--color-primary-end) 60%, var(--color-primary-light) 100%);
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(30,40,60,0.08);
    --shadow-md: 0 4px 16px rgba(79,140,255,0.13);
    /* Border radius */
    --radius: 7px;
    /* Spacing scale */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 24px;
    /* Typography */
    --font-base: 'Segoe UI', Arial, sans-serif;
    --fs-base: 1rem;
    --fs-lg: 1.5rem;
    --fs-sm: 0.95rem;
    --fw-normal: 500;
    --fw-bold: 700;
    /* Breakpoints */
    --bp-sm: 800px;
}

/*---------------------------------------------
  2. Reset & Global Styles
---------------------------------------------*/
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: var(--fs-base);
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    background: var(--color-bg);
    font-family: var(--font-base);
    color: var(--color-text);
    line-height: 1.5;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/*---------------------------------------------
  3. Layout Containers
---------------------------------------------*/
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.main-content {
    flex: 1 0 auto;
    margin-top: 112px;
    padding: 32px 0;
    padding-bottom: 72px;
    animation: fadeIn 0.4s ease-in-out both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dashboard-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 0;
    min-height: calc(100vh - 72px); /* 72px là chiều cao header, điều chỉnh nếu cần */
    overflow-y: auto;
    width: 100%;
    padding: 0;
}

.home-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    min-height: 60vh;
    padding-top: 60px;
}

.main-title {
    font-size: 2.1rem;
    font-weight: 700;
    color: #1a2233;
    text-align: center;
    margin-bottom: 48px;
    letter-spacing: 1px;
}

/*---------------------------------------------
  4. Header & Navigation
---------------------------------------------*/
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: var(--shadow-sm);
}

    .main-header .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 64px;
    }

.brand-logo {
    font-size: var(--fs-lg);
    font-weight: var(--fw-bold);
    letter-spacing: 1px;
    color: inherit;
    text-decoration: none;
    line-height: 64px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.2s, text-shadow 0.2s;
}

    .brand-logo:hover {
        transform: scale(1.02);
        text-shadow: 0 4px 12px rgba(0,0,0,0.15);
    }

.main-menu {
    display: flex;
    gap: var(--spacing-md);
}

.menu-btn {
    background: rgba(255,255,255,0.08);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--fs-base);
    font-weight: var(--fw-bold);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: background 0.2s, box-shadow 0.2s;
}

    .menu-btn:hover {
        background: var(--color-accent);
        box-shadow: var(--shadow-md);
    }

/*---------------------------------------------
  5. Function Bar & Responsive Menu
---------------------------------------------*/
.function-bar {
    width: 100%;
    background: #f2f3f7;
    border-bottom: 1px solid #e0e3ea;
    z-index: 99;
}

/* Hiển thị trên desktop */
@media (min-width: 768px) {
    .main-menu {
        display: flex !important;
    }

    .function-bar {
        position: fixed;
        top: 72px; /* hoặc chiều cao của header */
        height: 72px;
        min-height: 72px;
        display: block;
    }

    .function-bar-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 100%;
        min-height: 72px;
        padding: var(--spacing-sm) var(--spacing-lg);
    }

    .function-menu {
        display: flex !important;
        flex-direction: row;
        gap: var(--spacing-lg);
        background: transparent;
        box-shadow: none;
        border-radius: 0;
        align-items: center;
    }

    .function-menu-toggle {
        display: none !important;
    }

    .function-link {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--fs-base);
        color: var(--color-text);
        text-decoration: none !important;
        transition: color 0.2s;
    }
}

/* Ẩn function bar trên mobile, hiện nút gạch */
@media (max-width: 767px) {
    .function-bar-inner {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: flex-start;
        height: 56px;
        min-height: 56px;
        padding: var(--spacing-sm) var(--spacing-lg);
        position: relative;
    }

    .function-menu-toggle {
        display: block !important;
        background: none;
        border: none;
        cursor: pointer;
        padding: var(--spacing-sm);
        position: relative;
        top: 16px;
        left: 16px;
        z-index: 9999;
    }

    .main-menu {
        display: none !important;
    }

    .function-menu {
        flex: 1;
        display: block !important;
    }
    /* Nút: co lại vừa với nội dung, không chiếm toàn bộ chiều rộng */
    button,
    input[type="button"],
    input[type="submit"],
    input[type="reset"],
    .button--ripple,
    .btn-action,
    .account-btn {
        width: auto;
        min-width: 0;
        padding-left: 16px;
        padding-right: 16px;
        box-sizing: border-box;
        white-space: nowrap;
        font-size: 1rem;
    }

    /* Textbox: giảm rộng còn 2/3 màn hình */
    input[type="text"],
    input[type="password"],
    input[type="email"],
    input[type="number"],
    input[type="tel"],
    input[type="date"],
    textarea,
    select {
        width: 66vw; /* 2/3 chiều rộng màn hình */
        max-width: 80%;
        margin-left: auto;
        margin-right: auto;
        display: block;
    }
}

/*---------------------------------------------
  6. Footer
---------------------------------------------*/
.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--gradient-primary);
    color: #fff;
    font-size: var(--fs-base);
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    box-shadow: 0 -2px 12px rgba(30,40,60,0.03);
    min-height: 32px;
    height: 32px;
    z-index: 100;
}

    .footer span {
        display: block;
    }

/*---------------------------------------------
  7. Forms & Form Elements
---------------------------------------------*/
form {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 14.4px;
}

label {
    display: block;
    margin: var(--spacing-sm) 0 var(--spacing-xs);
    font-weight: var(--fw-normal);
    color: var(--color-accent);
    font-size: 0.9rem;
    margin-bottom: 3.2px;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="tel"],
input[type="date"],
textarea,
select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid #d0d0d0;
    border-radius: var(--radius);
    font-size: var(--fs-base);
    background: var(--color-surface);
    margin-bottom: var(--spacing-sm);
    transition: border-color 0.2s, background 0.2s;
}

    input:focus,
    textarea:focus,
    select:focus {
        border-color: var(--color-accent);
        background: #f0f6ff;
        outline: none;
    }

input[type="text"] {
    width: 100%;
    padding: 8px 9.6px;
    border: 1px solid #d0d0d0;
    border-radius: 4.8px;
    font-size: 0.8rem;
    background: #fafbfc;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

    input[type="text"]:focus {
        border-color: #0078d4;
        outline: none;
    }

button,
input[type="button"],
input[type="submit"],
input[type="reset"] {
    font-family: inherit;
    background: var(--gradient-btn);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    padding: var(--spacing-sm) 0;
    font-size: var(--fs-base);
    font-weight: var(--fw-bold);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: background 0.2s, box-shadow 0.2s;
}

    button:hover,
    input[type="button"]:hover,
    input[type="submit"]:hover,
    input[type="reset"]:hover {
        background: linear-gradient(90deg, var(--color-primary-light) 60%, var(--color-primary-end) 100%);
        box-shadow: var(--shadow-md);
    }

    button[type="submit"] {
        background: #0078d4;
        color: #fff;
        border: none;
        border-radius: 4.8px;
        padding: 10px 32px;
        font-size: 1rem;
        font-weight: 600;
        cursor: pointer;
        transition: background 0.2s;
        width: auto;
        margin-top: 10px;
        box-sizing: border-box;
    }

        button[type="submit"]:hover {
            background: #005fa3;
        }

.form-group {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

    .form-group input {
        padding-top: var(--spacing-lg);
    }

    .form-group label {
        position: absolute;
        top: var(--spacing-sm);
        left: var(--spacing-md);
        transition: all 0.2s;
        pointer-events: none;
        color: #888;
    }

    .form-group input:focus + label,
    .form-group input:not(:placeholder-shown) + label {
        top: var(--spacing-xs);
        font-size: var(--fs-sm);
        color: var(--color-accent);
    }

.text-danger,
.validation-summary-errors {
    color: var(--color-danger);
    font-size: var(--fs-sm);
    margin-top: 2px;
}

.text-danger {
    font-size: 0.76rem;
    color: #d32f2f;
}

/*---------------------------------------------
  8. Login & Register Components
---------------------------------------------*/
.login-page-bg {
    width: 100%;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(120deg, var(--color-bg) 60%, #e3eefe 100%);
}

.login-container {
    max-width: 320px;
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md) var(--spacing-md);
    background: #fff;
    border-radius: 14px;
    box-shadow: var(--shadow-md), 0 1px 4px rgba(30,40,60,0.06);
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: fadeInUp 0.6s cubic-bezier(.4,0,.2,1);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.app-logo {
    width: 54px;
    height: 54px;
    object-fit: contain;
    margin-bottom: var(--spacing-md);
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    background: #f4f7fa;
}

.app-logoheader {
    height: 32px;
    width: auto;
    margin-right: 4px;
    vertical-align: middle;
}

.login-title {
    font-size: 1.1rem;
    font-weight: var(--fw-bold);
    margin-bottom: 14px;
    color: var(--color-text);
    letter-spacing: 1px;
    text-align: center;
}

.login-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: 4px;
}

.register-link {
    text-align: center;
    margin-top: var(--spacing-sm);
    font-size: var(--fs-sm);
}

    .register-link a {
        color: var(--color-accent);
        text-decoration: none;
        font-weight: var(--fw-normal);
        transition: color 0.2s;
    }

        .register-link a:hover {
            color: var(--color-primary-light);
            text-decoration: underline;
        }

@media (max-width: 500px) {
    .login-container {
        max-width: 96vw;
        padding: 10px 3vw 10px 3vw;
    }

    .login-title {
        font-size: 1rem;
    }
}

.register-container {
    max-width: 420px;
    margin: 40px auto;
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.10);
    padding: 32px 28px 24px 28px;
}

    .register-container h2 {
        text-align: center;
        margin-bottom: 18px;
        color: #1a2233;
    }

    .register-container label {
        font-weight: 500;
        color: #4f8cff;
        margin-top: 8px;
    }

    .register-container input, .register-container select {
        width: 100%;
        padding: 8px 10px;
        border: 1px solid #d0d0d0;
        border-radius: 7px;
        font-size: 1rem;
        background: #fafbfc;
        margin-bottom: 8px;
    }

    .register-container button[type="button"], .register-container button[type="submit"] {
        background: linear-gradient(90deg, #4f8cff 60%, #1a8cff 100%);
        color: #fff;
        border: none;
        border-radius: 7px;
        padding: 8px 0;
        font-size: 1rem;
        font-weight: 600;
        cursor: pointer;
        margin-top: 8px;
        transition: background 0.2s, box-shadow 0.2s;
    }

        .register-container button[type="button"]:hover, .register-container button[type="submit"]:hover {
            background: linear-gradient(90deg, #1a8cff 60%, #4f8cff 100%);
        }

.btn-center {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.wide-btn {
    width: 70%; /* hoặc 80%, 100% tùy ý */
    min-width: 120px;
    margin-left: 0;
}

/*---------------------------------------------
  9. Account & Dashboard Components
---------------------------------------------*/
.account-card {
    background: #fff;
    border-radius: 14px;
    box-shadow: var(--shadow-md);
    padding: 28px 18px 20px 18px;
    width: 100%;
    max-width: 480px;
    margin-top: 24px;
    animation: fadeInUp 0.5s cubic-bezier(.4,0,.2,1);
}

    .account-card h2 {
        margin-top: 0;
        margin-bottom: 18px;
        font-size: 1.22rem;
        color: var(--color-text);
        letter-spacing: 0.5px;
        text-align: center;
        font-weight: var(--fw-bold);
    }

.account-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
}

.info-row {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    padding: 4px 0;
    border-bottom: 1px solid #f0f0f0;
}

    .info-row:last-child {
        border-bottom: none;
    }

.label {
    flex: 0 0 140px;
    font-weight: var(--fw-normal);
    color: var(--color-accent);
    text-align: left;
    padding-right: 16px;
    font-size: 1rem;
    word-break: break-word;
}

.value {
    flex: 1 1 0;
    color: #222;
    font-size: 1rem;
    word-break: break-all;
    text-align: left;
    position: relative;
}

    .value input[readonly] {
        border: none;
        background: transparent;
        color: #222;
        font-size: 1rem;
        outline: none;
        padding: 0;
    }

    .value input.editing {
        border: 1px solid var(--color-accent);
        background: #e3f0ff !important;
        border-radius: 4px;
        padding: 2px 6px;
        color: #222;
        font-size: 1rem;
        transition: background 0.2s;
    }

.expired-account {
    background: #ffebee;
    color: var(--color-danger);
    font-weight: var(--fw-bold);
    border-radius: 6px;
    padding: 4px 8px;
    display: inline-block;
    margin-bottom: 2px;
}

.renew-note {
    color: var(--color-danger);
    font-size: 0.95em;
    margin-top: 2px;
    font-style: italic;
    font-weight: var(--fw-normal);
}

.dashboard-error {
    margin: 80px auto;
    font-size: 1.2rem;
    color: #888;
}

.action-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 22px;
}

.btn-action {
    background: var(--color-accent);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 8px 18px;
    font-size: 1rem;
    font-weight: var(--fw-bold);
    cursor: pointer;
    transition: background 0.18s;
    box-shadow: var(--shadow-sm);
}

    .btn-action:hover, .btn-action:focus {
        background: #2563eb;
        outline: none;
    }

@media (max-width: 600px) {
    .account-card {
        max-width: 98vw;
        padding: 12px 2vw 12px 2vw;
    }

    .label {
        flex: 0 0 90px;
        padding-right: 8px;
        font-size: 0.95rem;
    }

    .action-buttons {
        flex-direction: column;
        gap: 8px;
    }

    .btn-action {
        width: auto;
        min-width: 0;
        padding-left: 10px;
        padding-right: 10px;
        box-sizing: border-box;
        white-space: nowrap;
    }
}

.account-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

    .account-btn i {
        margin-bottom: 6px;
        font-size: 1.6em;
        display: block;
    }

.account-btn {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    padding: 12px 32px;
    font-size: 1.05rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    background: #4f8cff;
    color: #fff;
    text-decoration: none;
    transition: background 0.18s, box-shadow 0.18s;
    box-shadow: 0 2px 8px rgba(79,140,255,0.08);
    cursor: pointer;
    outline: none;
}

    .account-btn i {
        margin-right: 10px;
        font-size: 1.3em;
        vertical-align: middle;
        display: inline-block;
    }

    .account-btn.selfstudy-btn {
        background: #1a8cff;
    }

    .account-btn:hover, .account-btn:focus {
        background: #2563eb;
        color: #fff;
        box-shadow: 0 4px 16px rgba(79,140,255,0.16);
        text-decoration: none;
    }

    .account-btn.disabled,
    .account-btn[aria-disabled="true"] {
        pointer-events: none;
        opacity: 0.6;
        cursor: not-allowed;
        box-shadow: none;
    }

@@media (max-width: 600px) {
    .account-type-group {
        min-width: 90vw;
        padding: 18px 2vw 18px 2vw;
    }

    .main-title {
        font-size: 1.2rem;
    }

    .account-type-buttons {
        flex-direction: column;
        gap: 16px;
        width: 100%;
    }

    .account-btn {
        width: 100%;
        padding: 12px 0;
    }
}

.account-type-group {
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    padding: 32px 24px 28px 24px;
    min-width: 320px;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 0;
}

.group-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: #4f8cff;
    margin-bottom: 22px;
    text-align: center;
}

.account-type-buttons {
    display: flex;
    flex-direction: row;
    gap: 24px;
    justify-content: center;
}

/*---------------------------------------------
  10. Modal, Overlay, Confirm Modal
---------------------------------------------*/
.overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s;
    z-index: 150;
}

    .overlay.show {
        opacity: 1;
        visibility: visible;
    }

.modal-overlay {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0,0,0,0.4);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s;
    z-index: 9998;
}

    .modal-overlay.show {
        opacity: 1;
        visibility: visible;
    }

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    background: #fff;
    border-radius: var(--radius, 8px);
    box-shadow: 0 4px 32px rgba(30,40,60,0.18);
    padding: 2rem 1.5rem;
    max-width: 96vw;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, transform 0.3s;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    animation: modalFadeIn 0.3s;
}

    .modal.show {
        opacity: 1;
        visibility: visible;
        transform: translate(-50%, -50%) scale(1);
    }

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

.modal-header {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.modal-body {
    flex: 1 1 auto;
    margin-bottom: 1rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

@media (max-width: 600px) {
    .modal {
        padding: 1rem 0.5rem;
        max-width: 98vw;
    }
}

.overlay,
.overlay.show {
    z-index: 9998;
}

.modal,
.modal.show {
    z-index: 9999;
}

.toast-container {
    z-index: 10000;
}

.spinner {
    z-index: 10001;
}

.modal {
    animation: modalFadeIn 0.3s;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.8);
    }

    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

.modal {
    max-width: 96vw;
    width: 100%;
}

#changePasswordModal {
    position: center;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 480px;
    width: 65%;
    max-height: 520px;
    min-width: 260px;
    padding: 0;
    overflow-y: auto;
}

    #changePasswordModal .modal-header {
        padding: 1rem 1.2rem 0.5rem 1.2rem;
        margin-bottom: 0.5rem;
    }

    #changePasswordModal .modal-body {
        padding: 0.5rem 1.2rem 0.5rem 1.2rem;
        margin-bottom: 0.2rem;
    }

    #changePasswordModal .modal-footer {
        padding: 0 1.2rem 0.8rem 1.2rem;
    }

.confirm-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 360px;
    width: 100%;
    min-width: 220px;
    padding: 0;
    box-shadow: 0 4px 32px rgba(30,40,60,0.18);
    border-radius: var(--radius, 8px);
    background: #fff;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, transform 0.3s;
}

    .confirm-modal.show {
        opacity: 1;
        visibility: visible;
        transform: translate(-50%, -50%) scale(1);
    }

    .confirm-modal .confirm-message {
        padding: 1rem 1.2rem 0.5rem 1.2rem;
        margin-bottom: 0.5rem;
        font-size: 1rem;
        text-align: center;
        word-break: break-word;
    }

    .confirm-modal .confirm-actions {
        display: flex;
        justify-content: center;
        gap: 12px;
        padding: 0 1.2rem 1rem 1.2rem;
    }

    .confirm-modal .menu-btn {
        background: var(--color-accent) !important;
        color: #fff !important;
        min-width: 90px;
        padding-left: 16px;
        padding-right: 16px;
        white-space: nowrap;
        font-size: 1rem;
        font-weight: var(--fw-bold);
        border: none;
        border-radius: var(--radius);
        box-shadow: var(--shadow-sm);
        cursor: pointer;
        transition: background 0.18s;
    }

        .confirm-modal .menu-btn:hover,
        .confirm-modal .menu-btn:focus {
            background: #2563eb !important;
            color: #fff !important;
        }

.d-flex {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 50px;
    padding: 0 1.2rem 1rem 1.2rem;
}

/*Button disable*/
.account-btn.disabled,
.account-btn[aria-disabled="true"] {
    pointer-events: none;
    opacity: 0.6;
    cursor: not-allowed;
    box-shadow: none;
}

/*---------------------------------------------
  11. UI Effects & Components
---------------------------------------------*/
/* 1. Ripple Effect */
.button--ripple {
    position: relative;
    overflow: hidden;
}

    .button--ripple .ripple {
        position: absolute;
        border-radius: 50%;
        background: rgba(255,255,255,0.6);
        transform: scale(0);
        animation: ripple-effect 0.6s linear;
    }

@keyframes ripple-effect {
    to {
        transform: scale(4);
        opacity: 0;
    }
}
/* 2. Skeleton Loader */
.skeleton {
    background: #e0e0e0;
    border-radius: var(--radius);
    position: relative;
    overflow: hidden;
}

    .skeleton::after {
        content: '';
        position: absolute;
        top: 0;
        left: -150px;
        width: 150px;
        height: 100%;
        background: linear-gradient(90deg, rgba(255,255,255,0) 0, rgba(255,255,255,0.6) 50%, rgba(255,255,255,0) 100%);
        animation: loading-shimmer 1.2s infinite;
    }

@keyframes loading-shimmer {
    to {
        transform: translateX(300px);
    }
}
/* 3. Card Hover Lift */
.card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s, box-shadow 0.3s;
}

    .card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-md);
    }
/* 4. Tooltip */
.tooltip {
    position: relative;
    cursor: help;
}

    .tooltip .tooltip-text {
        position: absolute;
        bottom: 125%;
        left: 50%;
        transform: translateX(-50%);
        background: #333;
        color: #fff;
        padding: var(--spacing-xs) var(--spacing-sm);
        border-radius: var(--radius);
        font-size: var(--fs-sm);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.2s;
        white-space: nowrap;
    }

    .tooltip:hover .tooltip-text {
        opacity: 1;
        visibility: visible;
    }
/* 5. Glassmorphism Card */
.glass-card {
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    border-radius: var(--radius);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}
/* 6. Parallax Background */
.parallax {
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
    height: 400px;
    position: relative;
}
/* 7. Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

    .reveal.active {
        opacity: 1;
        transform: translateY(0);
    }
/* 8. Spinner */
.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--color-surface-alt);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: auto;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}
/* 9. Progress Bar */
.progress {
    background: var(--color-surface-alt);
    border-radius: var(--radius);
    overflow: hidden;
}

.progress-bar {
    width: 0;
    height: 3px;
    background: var(--color-accent);
    transition: width 0.4s ease;
}
/* 10. Back to Top Button */
.back-to-top {
    position: fixed;
    right: var(--spacing-md);
    bottom: var(--spacing-lg);
    background: var(--gradient-btn);
    color: #fff;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s;
    z-index: 250;
}

    .back-to-top.show {
        opacity: 1;
        visibility: visible;
    }
/* 11. Toast Notification */
.toast-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: 300;
}

.toast {
    background: var(--color-surface);
    color: var(--color-text);
    padding: var(--spacing-md);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    transform: translateX(100%);
    opacity: 0;
    transition: transform 0.4s ease-out, opacity 0.4s ease-out;
}

    .toast.show {
        transform: translateX(0);
        opacity: 1;
    }

    .toast.success {
        border-left: 4px solid #4caf50;
    }

    .toast.error {
        border-left: 4px solid #f44336;
    }

    .toast.info {
        border-left: 4px solid #2196f3;
    }
/* 12. Accordion */
.accordion {
    border: 1px solid #ddd;
    border-radius: var(--radius);
    overflow: hidden;
}

.accordion-item + .accordion-item {
    margin-top: var(--spacing-sm);
}

.accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--color-surface-alt);
    padding: var(--spacing-md);
    cursor: pointer;
    user-select: none;
}

    .accordion-header::after {
        content: '▸';
        transition: transform 0.3s;
    }

    .accordion-header.active::after {
        transform: rotate(90deg);
    }

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: var(--color-surface);
    padding: 0 var(--spacing-md);
}

    .accordion-content p {
        margin: var(--spacing-md) 0;
    }
/* 13. Tab Navigation */
.tabs {
    display: flex;
    border-bottom: 2px solid var(--color-surface-alt);
}

.tab {
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    transition: background 0.2s;
}

    .tab.active {
        border-bottom: 3px solid var(--color-accent);
        font-weight: var(--fw-bold);
    }

.tab-content {
    display: none;
    padding: var(--spacing-md) 0;
}

    .tab-content.active {
        display: block;
    }
/* 14. Masonry Grid Gallery */
.masonry {
    column-count: 3;
    column-gap: var(--spacing-md);
}

.masonry-item {
    break-inside: avoid;
    margin-bottom: var(--spacing-md);
}

@media (max-width: var(--bp-sm)) {
    .masonry {
        column-count: 1;
    }
}
/* 15. Floating Label (already included in .form-group above) */

/*---------------------------------------------
  12. Responsive Media Queries
---------------------------------------------*/
@media (max-width: 500px) {
    .login-container {
        max-width: 96vw;
        padding: 10px 3vw 10px 3vw;
    }

    .login-title {
        font-size: 1rem;
    }
}

@media (max-width: 600px) {
    .account-card {
        max-width: 98vw;
        padding: 12px 2vw 12px 2vw;
    }

    .label {
        flex: 0 0 90px;
        padding-right: 8px;
        font-size: 0.95rem;
    }

    .action-buttons {
        flex-direction: column;
        gap: 8px;
    }

    .btn-action {
        width: auto;
        min-width: 0;
        padding-left: 10px;
        padding-right: 10px;
        box-sizing: border-box;
        white-space: nowrap;
    }

    .modal {
        padding: 1rem 0.5rem;
        max-width: 98vw;
    }
}

@@media (max-width: 600px) {
    .account-type-group {
        min-width: 90vw;
        padding: 18px 2vw 18px 2vw;
    }

    .main-title {
        font-size: 1.2rem;
    }

    .account-type-buttons {
        flex-direction: column;
        gap: 16px;
        width: 100%;
    }

    .account-btn {
        width: 100%;
        padding: 12px 0;
    }
}

/*---------------------------------------------
  13. Verify Box (for code input)
---------------------------------------------*/
.verify-box input[type="text"] {
    font-size: 1.2rem;
    text-align: center;
    padding: 12px 16px;
    font-family: var(--font-base);
}

.verify-container {
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 60px;
}

.verify-box {
    background: #fff;
    border-radius: 9.6px;
    box-shadow: 0 3.2px 19.2px rgba(0,0,0,0.08);
    padding: 28.8px 25.6px 22.4px 25.6px;
    width: 100%;
    max-width: 340px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.verify-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #222;
    margin-bottom: 14.4px;
    letter-spacing: 0.8px;
}

.button-center {
    display: flex;
    justify-content: center;
    width: 100%;
    align-items: center;
}