/* ===== 24ON24 Professional Color & UI System ===== */

/* ===== CSS Variables (Color Palette) ===== */
:root {
    /* Primary Colors */
    --primary-color: #1d2b6c;
    --secondary-color: #2f5972;

    /* Neutrals */
    --background: #FFFFFF;
    --surface: #F8FAFC;
    --border: #E2E8F0;
    --border-hover: #94A3B8;
    --border-input: #CBD5E1;

    /* Text Colors */
    --text-dark: #0F172A;
    --text-muted: #64748B;
    --text-inverse: #FFFFFF;

    /* Status Colors */
    --success: #16A34A;
    --warning: #F59E0B;
    --error: #DC2626;
    --info: #0284C7;

    /* Spacing (8pt System) */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 40px;
    --spacing-3xl: 48px;
    --spacing-4xl: 64px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 10px;
    --radius-lg: 16px;

    /* Shadows */
    --shadow-sm: 0 6px 16px rgba(15, 23, 42, .08);
    --shadow-md: 0 10px 30px rgba(15, 23, 42, .06);
    --shadow-lg: 0 18px 40px rgba(15, 23, 42, .10);
    --shadow-button: 0 8px 24px rgba(29, 43, 108, .22);
    --shadow-button-hover: 0 12px 28px rgba(29, 43, 108, .30);

    /* Focus Ring */
    --focus-ring: 0 0 0 3px rgba(29, 43, 108, .22);
    --focus-ring-error: 0 0 0 3px rgba(220, 38, 38, .18);

    /* Transitions */
    --transition-fast: 120ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Global Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 14px;
    direction: rtl;
    text-align: right;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--surface);
    color: var(--text-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== Typography ===== */
h1 {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-lg);
}

h2 {
    font-size: 24px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
}

p {
    font-size: 14px;
    line-height: 1.75;
    margin-bottom: var(--spacing-md);
}

small {
    font-size: 12px;
    color: var(--text-muted);
}

/* ===== Buttons System ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    height: 44px;
    padding: 0 var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--text-inverse);
    box-shadow: var(--shadow-button);
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    box-shadow: var(--shadow-button-hover);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: scale(0.97);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 1.5px solid var(--border-input);
}

.btn-secondary:hover {
    background-color: rgba(29, 43, 108, .06);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:active {
    background-color: rgba(29, 43, 108, .10);
    transform: scale(0.98);
}

.btn-ghost {
    background-color: transparent;
    color: var(--primary-color);
}

.btn-ghost:hover {
    background-color: rgba(29, 43, 108, .08);
}

.btn-ghost:active {
    background-color: rgba(29, 43, 108, .14);
}

.btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-full {
    width: 100%;
}

/* ===== Form Inputs ===== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.form-control {
    width: 100%;
    height: 46px;
    padding: 12px 14px;
    border: 1.5px solid var(--border-input);
    border-radius: var(--radius-md);
    background-color: var(--background);
    color: var(--text-dark);
    font-size: 14px;
    transition: all var(--transition-fast);
}

.form-control:hover {
    border-color: var(--border-hover);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: var(--focus-ring);
}

.form-control::placeholder {
    color: var(--border-hover);
}

.form-control.is-invalid {
    border-color: var(--error);
}

.form-control.is-invalid:focus {
    box-shadow: var(--focus-ring-error);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

.form-text {
    display: block;
    margin-top: var(--spacing-sm);
    font-size: 12px;
    color: var(--text-muted);
}

.invalid-feedback {
    display: block;
    margin-top: var(--spacing-sm);
    font-size: 12px;
    color: var(--error);
}

/* ===== Cards ===== */
.card {
    background-color: var(--background);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.card-body {
    color: var(--text-dark);
}

/* ===== Container & Layout ===== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 calc(var(--spacing-md) * -1);
}

.col {
    flex: 1;
    padding: 0 var(--spacing-md);
}

/* ===== Status Badges ===== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success {
    background-color: rgba(22, 163, 74, .1);
    color: var(--success);
}

.badge-warning {
    background-color: rgba(245, 158, 11, .1);
    color: var(--warning);
}

.badge-error {
    background-color: rgba(220, 38, 38, .1);
    color: var(--error);
}

.badge-info {
    background-color: rgba(2, 132, 199, .1);
    color: var(--info);
}

/* ===== Alert Messages ===== */
.alert {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid;
    font-size: 14px;
    font-weight: 500;
}

.alert i {
    font-size: 20px;
    flex-shrink: 0;
}

.alert-success {
    background-color: rgba(22, 163, 74, .1);
    border-color: var(--success);
    color: var(--success);
}

.alert-warning {
    background-color: rgba(245, 158, 11, .1);
    border-color: var(--warning);
    color: var(--warning);
}

.alert-error,
.alert-danger {
    background-color: rgba(220, 38, 38, .1);
    border-color: var(--error);
    color: var(--error);
}

.alert-info {
    background-color: rgba(2, 132, 199, .1);
    border-color: var(--info);
    color: var(--info);
}

/* Alert Animation */
@keyframes fade-slide-up {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Table ===== */
.table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--background);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.table thead {
    background-color: var(--surface);
}

.table th {
    padding: var(--spacing-md);
    text-align: right;
    font-weight: 600;
    color: var(--text-dark);
    border-bottom: 1px solid var(--border);
}

.table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border);
    color: var(--text-dark);
}

.table tbody tr:hover {
    background-color: var(--surface);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .card:hover {
        transform: none;
    }
}

@media (max-width: 640px) {
    html {
        font-size: 13px;
    }

    h1 {
        font-size: 28px;
    }

    h2 {
        font-size: 22px;
    }

    .btn {
        width: 100%;
        height: 48px;
    }

    .card {
        padding: var(--spacing-md);
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .row {
        margin: 0;
    }

    .col {
        flex: 0 0 100%;
        padding: var(--spacing-sm) 0;
    }
}

/* ===== Utility Classes ===== */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-left {
    text-align: left;
}

.mt-1 {
    margin-top: var(--spacing-sm);
}

.mt-2 {
    margin-top: var(--spacing-md);
}

.mt-3 {
    margin-top: var(--spacing-lg);
}

.mb-1 {
    margin-bottom: var(--spacing-sm);
}

.mb-2 {
    margin-bottom: var(--spacing-md);
}

.mb-3 {
    margin-bottom: var(--spacing-lg);
}

.d-flex {
    display: flex;
}

.justify-content-between {
    justify-content: space-between;
}

.align-items-center {
    align-items: center;
}

.gap-1 {
    gap: var(--spacing-sm);
}

.gap-2 {
    gap: var(--spacing-md);
}

.gap-3 {
    gap: var(--spacing-lg);
}

/* ===== Loading Spinner ===== */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ===== Modal/Popup ===== */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn var(--transition-normal);
}

.modal {
    background-color: var(--background);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    max-width: 500px;
    width: 90%;
    box-shadow: 0 16px 40px rgba(15, 23, 42, .08);
    animation: scaleIn var(--transition-normal);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.96);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ===== Toast Notifications System ===== */
#toast-container {
    position: fixed;
    top: 24px;
    left: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 420px;
    width: calc(100% - 48px);
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: var(--background);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.15), 0 10px 20px rgba(15, 23, 42, 0.1);
    border-right: 4px solid var(--primary-color);
    position: relative;
    overflow: hidden;
    transform: translateX(-120%);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.toast.hide {
    transform: translateX(-120%);
    opacity: 0;
}

/* Toast Types */
.toast-success {
    border-color: var(--success);
}

.toast-success .toast-icon {
    background: linear-gradient(135deg, #16A34A 0%, #10b981 100%);
}

.toast-error {
    border-color: var(--error);
}

.toast-error .toast-icon {
    background: linear-gradient(135deg, #DC2626 0%, #EF4444 100%);
}

.toast-warning {
    border-color: var(--warning);
}

.toast-warning .toast-icon {
    background: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%);
}

.toast-info {
    border-color: var(--info);
}

.toast-info .toast-icon {
    background: linear-gradient(135deg, #0284C7 0%, #0EA5E9 100%);
}

/* Toast Icon */
.toast-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    animation: iconPop 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0.1s both;
}

@keyframes iconPop {
    0% {
        transform: scale(0);
    }

    100% {
        transform: scale(1);
    }
}

/* Toast Content */
.toast-content {
    flex: 1;
    min-width: 0;
}

.toast-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.toast-message {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.5;
    word-break: break-word;
}

/* Toast Close Button */
.toast-close {
    position: absolute;
    top: 12px;
    left: 12px;
    width: 28px;
    height: 28px;
    border: none;
    background: var(--surface);
    border-radius: 8px;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: all 0.2s ease;
}

.toast-close:hover {
    background: var(--border);
    color: var(--text-dark);
    transform: scale(1.1);
}

/* Toast Progress Bar */
.toast-progress {
    position: absolute;
    bottom: 0;
    right: 0;
    left: 0;
    height: 4px;
    background: rgba(0, 0, 0, 0.05);
}

.toast-progress-bar {
    height: 100%;
    width: 100%;
    background: currentColor;
    opacity: 0.3;
    animation: progressShrink linear forwards;
    transform-origin: right;
}

.toast-success .toast-progress-bar {
    background: var(--success);
}

.toast-error .toast-progress-bar {
    background: var(--error);
}

.toast-warning .toast-progress-bar {
    background: var(--warning);
}

.toast-info .toast-progress-bar {
    background: var(--info);
}

@keyframes progressShrink {
    from {
        transform: scaleX(1);
    }

    to {
        transform: scaleX(0);
    }
}

/* Responsive Toast */
@media (max-width: 640px) {
    #toast-container {
        top: 16px;
        left: 16px;
        right: 16px;
        width: auto;
        max-width: none;
    }

    .toast {
        padding: 14px 16px;
    }

    .toast-icon {
        width: 40px;
        height: 40px;
        min-width: 40px;
        font-size: 18px;
    }
}