/**
 * Millennials Portfolio Website - Design System
 * File: static/css/components.css
 * Purpose: Reusable Glass UI components (Buttons, Cards, Forms, Inputs, Dropdowns,
 *          Checkboxes, Radios, Search, Tabs, Tables, Modals, Popups, Tooltips, Badges, Alerts)
 */

/* -----------------------------------------------------------------------------
   1. Reusable Glass Button System
   ----------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-primary);
    font-size: var(--font-size-btn);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    padding: 14px 26px;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    user-select: none;
    backdrop-filter: var(--glass-blur-backdrop-sm);
    -webkit-backdrop-filter: var(--glass-blur-backdrop-sm);
    transition: background var(--transition-normal),
                background-color var(--transition-normal),
                color var(--transition-normal),
                border-color var(--transition-normal),
                transform var(--transition-normal),
                box-shadow var(--transition-normal);
}

/* Keyboard accessibility focus */
.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
    box-shadow: var(--glass-shadow-focus);
}

/* --- Primary Glass Button --- */
.btn-primary {
    background: var(--glass-btn-primary);
    color: var(--color-surface);
    border: 1px solid rgba(255, 255, 255, 0.35);
    box-shadow: var(--glass-shadow-btn-primary);
}

.btn-primary:hover {
    background: var(--glass-btn-primary-hover);
    border-color: rgba(255, 255, 255, 0.55);
    transform: translateY(-1.5px);
    box-shadow: var(--glass-shadow-btn-primary-hover);
    color: var(--color-surface);
}

.btn-primary:active {
    background: var(--color-primary-active);
    transform: translateY(0);
    box-shadow: 0 3px 12px rgba(39, 59, 9, 0.35), inset 0 1px 2px rgba(0, 0, 0, 0.12);
}

/* --- Secondary Glass Button --- */
.btn-secondary {
    background: var(--glass-btn-secondary);
    color: var(--color-navy);
    border: 1px solid rgba(255, 255, 255, 0.85);
    box-shadow: var(--glass-shadow-sm);
}

.btn-secondary:hover {
    background: var(--glass-btn-secondary-hover);
    border-color: rgba(255, 255, 255, 0.98);
    color: var(--color-navy-dark);
    transform: translateY(-1.5px);
    box-shadow: var(--glass-shadow-hover);
}

.btn-secondary:active {
    transform: translateY(0);
    box-shadow: var(--glass-shadow-sm);
}

/* --- Outline Glass Button --- */
.btn-outline {
    background: var(--glass-btn-outline);
    color: var(--color-navy);
    border: 1px solid rgba(88, 100, 29, 0.35);
    box-shadow: var(--glass-shadow-sm);
}

.btn-outline:hover {
    background: var(--glass-btn-outline-hover);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-1.5px);
    box-shadow: var(--glass-shadow-hover);
}

.btn-outline:active {
    transform: translateY(0);
}

/* --- Text Button --- */
.btn-text {
    background: transparent;
    color: var(--color-navy);
    padding: 8px 6px;
    border-radius: var(--radius-sm);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.btn-text .btn-arrow {
    display: inline-block;
    transition: transform var(--transition-normal);
}

.btn-text:hover {
    color: var(--color-primary);
    background: rgba(255, 255, 255, 0.50);
}

.btn-text:hover .btn-arrow {
    transform: translate(3px, -3px);
}

/* --- Button Sizes --- */
.btn-sm {
    padding: 10px 18px;
    font-size: var(--font-size-small);
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.0625rem;
    border-radius: var(--radius-md);
}

.btn-full {
    border-radius: var(--radius-full);
}

/* -----------------------------------------------------------------------------
   2. Reusable Glass Card System
   ----------------------------------------------------------------------------- */
.card {
    background: var(--glass-bg-card);
    backdrop-filter: var(--glass-blur-backdrop-md);
    -webkit-backdrop-filter: var(--glass-blur-backdrop-md);
    border: var(--glass-border);
    border-radius: var(--radius-lg);
    padding: clamp(20px, 3.5vw, 36px);
    box-shadow: var(--glass-shadow-md);
    position: relative;
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
    overflow-wrap: break-word;
    transition: transform var(--transition-normal),
                box-shadow var(--transition-normal),
                border-color var(--transition-normal),
                background var(--transition-normal);
}

/* Interactive Hover Card */
.card-hover:hover {
    transform: translateY(-3.5px);
    box-shadow: var(--glass-shadow-hover);
    border-color: rgba(255, 255, 255, 0.90);
    background: var(--glass-bg-card-hover);
}

/* Card Surface Variants */
.card-surface {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.82) 0%, rgba(255, 255, 255, 0.58) 100%);
    border: var(--glass-border-light);
}

.card-soft {
    background: var(--glass-bg-card-tint);
    border: 1px solid rgba(187, 207, 141, 0.85);
}

.card-soft.card-hover:hover {
    background: var(--glass-bg-card-tint-hover);
    border-color: rgba(88, 100, 29, 0.45);
}

.card-light {
    background: linear-gradient(135deg, rgba(212, 222, 192, 0.70) 0%, rgba(232, 233, 228, 0.45) 100%);
    border: 1px solid rgba(255, 255, 255, 0.85);
}

.card-bordered {
    background: var(--glass-bg-card-bordered);
    border: 1px solid rgba(187, 207, 141, 0.40);
}

.card-bordered.card-hover:hover {
    background: var(--glass-bg-card-hover);
    border-color: rgba(88, 100, 29, 0.45);
}

/* -----------------------------------------------------------------------------
   3. Links & Interactive Text
   ----------------------------------------------------------------------------- */
.link {
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: color var(--transition-fast), opacity var(--transition-fast);
}

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

.link:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

.link-navy {
    color: var(--color-navy);
}

.link-navy:hover {
    color: var(--color-primary);
}

/* -----------------------------------------------------------------------------
   4. Glass Badges & Tags
   ----------------------------------------------------------------------------- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-primary);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-semibold);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    line-height: 1.2;
    letter-spacing: var(--letter-spacing-wide);
    backdrop-filter: var(--glass-blur-backdrop-sm);
    -webkit-backdrop-filter: var(--glass-blur-backdrop-sm);
    box-shadow: var(--glass-shadow-sm);
}

.badge-primary {
    background: linear-gradient(135deg, #58641D 0%, #273B09 100%);
    color: var(--color-surface);
    border: 1px solid rgba(255, 255, 255, 0.45);
    box-shadow: 0 2px 8px rgba(39, 59, 9, 0.30), inset 0 1px 1px rgba(255, 255, 255, 0.45);
}

.badge-soft {
    background: rgba(232, 233, 228, 0.85);
    color: var(--color-navy);
    border: 1px solid rgba(187, 207, 141, 0.95);
}

.badge-light {
    background: rgba(212, 222, 192, 0.80);
    color: var(--color-navy);
    border: 1px solid rgba(255, 255, 255, 0.90);
}

/* -----------------------------------------------------------------------------
   5. Glass Dividers
   ----------------------------------------------------------------------------- */
.divider {
    height: 1px;
    width: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(187, 207, 141, 0.65) 15%, rgba(187, 207, 141, 0.65) 85%, transparent 100%);
    border: none;
    margin-block: var(--space-6);
}

/* -----------------------------------------------------------------------------
   6. Glass Form Components & Input Controls
   ----------------------------------------------------------------------------- */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: var(--space-4);
    position: relative;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.form-label {
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-navy);
    line-height: 1.2;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
    padding: 14px 18px;
    font-family: var(--font-secondary);
    font-size: 1rem;
    color: var(--color-text);
    background-color: var(--glass-input-bg);
    backdrop-filter: var(--glass-blur-backdrop-sm);
    -webkit-backdrop-filter: var(--glass-blur-backdrop-sm);
    border: 1px solid var(--glass-input-border);
    border-radius: var(--radius-md);
    box-shadow: inset 0 1px 2px rgba(3, 105, 161, 0.06), 0 2px 8px rgba(255, 255, 255, 0.50);
    transition: border-color var(--transition-fast),
                background-color var(--transition-fast),
                box-shadow var(--transition-fast);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-muted);
    opacity: 0.85;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--glass-input-border-focus);
    background-color: var(--glass-input-bg-focus);
    box-shadow: var(--glass-shadow-focus);
}

.form-textarea {
    resize: vertical;
    min-height: 110px;
    line-height: 1.6;
}

/* Glass Select / Dropdown Element */
.form-select {
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%230C2D57' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 42px;
}

.form-select option {
    background-color: #FFFFFF;
    color: var(--color-text);
}

/* Glass Checkbox & Radio Controls */
.glass-control-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
}

.glass-checkbox-label,
.glass-radio-label {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-family: var(--font-secondary);
    font-size: 0.9375rem;
    color: var(--color-text);
    user-select: none;
    transition: color var(--transition-fast);
}

.glass-checkbox-label:hover,
.glass-radio-label:hover {
    color: var(--color-navy);
}

.glass-checkbox-input,
.glass-radio-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

/* Custom Glass Checkbox Square */
.glass-checkbox-box {
    width: 22px;
    height: 22px;
    border-radius: var(--radius-sm);
    background-color: var(--glass-input-bg);
    backdrop-filter: var(--glass-blur-backdrop-sm);
    -webkit-backdrop-filter: var(--glass-blur-backdrop-sm);
    border: 1px solid var(--glass-input-border);
    box-shadow: inset 0 1px 2px rgba(3, 105, 161, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    flex-shrink: 0;
    transition: background var(--transition-fast),
                border-color var(--transition-fast),
                box-shadow var(--transition-fast),
                transform var(--transition-fast);
}

.glass-checkbox-box svg {
    opacity: 0;
    transform: scale(0.5);
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.glass-checkbox-input:checked + .glass-checkbox-box {
    background: var(--glass-btn-primary);
    border-color: rgba(255, 255, 255, 0.40);
    box-shadow: 0 2px 8px rgba(39, 59, 9, 0.35);
}

.glass-checkbox-input:checked + .glass-checkbox-box svg {
    opacity: 1;
    transform: scale(1);
}

.glass-checkbox-input:focus-visible + .glass-checkbox-box {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Custom Glass Radio Circle */
.glass-radio-circle {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background-color: var(--glass-input-bg);
    backdrop-filter: var(--glass-blur-backdrop-sm);
    -webkit-backdrop-filter: var(--glass-blur-backdrop-sm);
    border: 1px solid var(--glass-input-border);
    box-shadow: inset 0 1px 2px rgba(39, 59, 9, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background var(--transition-fast),
                border-color var(--transition-fast),
                box-shadow var(--transition-fast);
}

.glass-radio-circle::after {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #FFFFFF;
    opacity: 0;
    transform: scale(0.5);
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.glass-radio-input:checked + .glass-radio-circle {
    background: var(--glass-btn-primary);
    border-color: rgba(255, 255, 255, 0.40);
    box-shadow: 0 2px 8px rgba(39, 59, 9, 0.35);
}

.glass-radio-input:checked + .glass-radio-circle::after {
    opacity: 1;
    transform: scale(1);
}

.glass-radio-input:focus-visible + .glass-radio-circle {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Glass Search Bar */
.glass-search-box {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    background: var(--glass-input-bg);
    backdrop-filter: var(--glass-blur-backdrop-md);
    -webkit-backdrop-filter: var(--glass-blur-backdrop-md);
    border: 1px solid var(--glass-input-border);
    border-radius: var(--radius-full);
    padding: 6px 8px 6px 18px;
    box-shadow: var(--glass-shadow-sm);
    transition: border-color var(--transition-fast),
                background-color var(--transition-fast),
                box-shadow var(--transition-fast);
}

.glass-search-box:focus-within {
    background: var(--glass-input-bg-focus);
    border-color: var(--glass-input-border-focus);
    box-shadow: var(--glass-shadow-focus);
}

.glass-search-icon {
    color: var(--color-primary);
    margin-right: 10px;
    flex-shrink: 0;
}

.glass-search-input {
    flex: 1;
    min-width: 0;
    width: 100%;
    border: none;
    background: transparent;
    font-family: var(--font-secondary);
    font-size: 0.9375rem;
    color: var(--color-text);
    outline: none;
    padding: 8px 0;
}

.glass-search-input::placeholder {
    color: var(--color-text-muted);
}

.glass-search-box .btn {
    flex-shrink: 0;
    width: auto !important;
}

/* -----------------------------------------------------------------------------
   7. Glass Tabs & Navigation Indicators
   ----------------------------------------------------------------------------- */
.glass-tabs-nav {
    display: inline-flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    padding: 6px;
    background: rgba(255, 255, 255, 0.60);
    backdrop-filter: var(--glass-blur-backdrop-md);
    -webkit-backdrop-filter: var(--glass-blur-backdrop-md);
    border: var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow-sm);
    margin-bottom: var(--space-5);
    max-width: 100%;
    box-sizing: border-box;
}

.glass-tab-btn {
    font-family: var(--font-primary);
    font-size: 0.8125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    padding: 7px 14px;
    border-radius: var(--radius-full);
    border: 1px solid transparent;
    background: transparent;
    cursor: pointer;
    white-space: nowrap;
    transition: color var(--transition-fast),
                background-color var(--transition-fast),
                border-color var(--transition-fast),
                box-shadow var(--transition-fast);
}

.glass-tab-btn:hover {
    color: var(--color-navy);
    background: rgba(255, 255, 255, 0.70);
}

.glass-tab-btn.active {
    color: var(--color-navy);
    background: #FFFFFF;
    border-color: rgba(255, 255, 255, 0.90);
    box-shadow: 0 4px 14px rgba(3, 105, 161, 0.08);
}

.glass-tab-btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.glass-tab-pane {
    display: none;
    animation: tabFadeIn 250ms ease-out forwards;
}

.glass-tab-pane.active {
    display: block;
}

@keyframes tabFadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* -----------------------------------------------------------------------------
   8. Glass Tables & Rows
   ----------------------------------------------------------------------------- */
.glass-table-wrapper {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    background: var(--glass-bg-card);
    backdrop-filter: var(--glass-blur-backdrop-md);
    -webkit-backdrop-filter: var(--glass-blur-backdrop-md);
    border: var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow-md);
    margin-block: var(--space-4);
}

.glass-table {
    width: 100%;
    min-width: 520px;
    border-collapse: collapse;
    font-family: var(--font-secondary);
    font-size: 0.9375rem;
    text-align: left;
}

.glass-table th {
    font-family: var(--font-primary);
    font-size: 0.8125rem;
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-navy);
    padding: 16px 20px;
    background: rgba(223, 227, 214, 0.80);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(8px);
}

.glass-table td {
    padding: 16px 20px;
    color: var(--color-text);
    border-bottom: 1px solid rgba(187, 207, 141, 0.50);
    background: rgba(255, 255, 255, 0.40);
    transition: background-color var(--transition-fast);
}

.glass-table tr:last-child td {
    border-bottom: none;
}

.glass-table tbody tr:hover td {
    background-color: rgba(255, 255, 255, 0.85);
}

/* -----------------------------------------------------------------------------
   9. Glass Modals, Popups & Tooltips
   ----------------------------------------------------------------------------- */
/* Glass Modal Dialog Overlay */
.glass-modal-backdrop {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 36, 0, 0.45);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    opacity: 0;
    pointer-events: none;
    box-sizing: border-box;
    transition: opacity var(--transition-normal);
}

.glass-modal-backdrop.is-open {
    opacity: 1;
    pointer-events: auto;
}

.glass-modal {
    position: relative;
    width: 100%;
    max-width: 540px;
    box-sizing: border-box;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.90) 0%, rgba(232, 233, 228, 0.70) 100%);
    backdrop-filter: var(--glass-blur-backdrop-xl);
    -webkit-backdrop-filter: var(--glass-blur-backdrop-xl);
    border: var(--glass-border-light);
    border-radius: var(--radius-xl);
    box-shadow: 0 24px 60px rgba(39, 59, 9, 0.20), inset 0 1px 2px rgba(255, 255, 255, 0.95);
    padding: clamp(24px, 4vw, 40px);
    transform: translateY(16px) scale(0.98);
    transition: transform var(--transition-normal);
}

.glass-modal-backdrop.is-open .glass-modal {
    transform: translateY(0) scale(1);
}

.glass-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.70);
    border: 1px solid rgba(187, 207, 141, 0.80);
    color: var(--color-navy);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.glass-modal-close:hover {
    background: #FFFFFF;
    color: var(--color-primary);
}

/* Floating Glass Popup / Dropdown Container */
.glass-popup {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.90) 0%, rgba(232, 233, 228, 0.70) 100%);
    backdrop-filter: var(--glass-blur-backdrop-lg);
    -webkit-backdrop-filter: var(--glass-blur-backdrop-lg);
    border: var(--glass-border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--glass-shadow-lg);
    padding: 16px;
    max-width: 100%;
    box-sizing: border-box;
}

/* Glass Tooltip */
.glass-tooltip-wrap {
    position: relative;
    display: inline-block;
}

.glass-tooltip {
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    background: rgba(12, 45, 87, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: #FFFFFF;
    font-family: var(--font-secondary);
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(56, 189, 248, 0.35);
    box-shadow: var(--glass-shadow-md);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
    z-index: 100;
}

.glass-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: rgba(12, 45, 87, 0.95) transparent transparent transparent;
}

.glass-tooltip-wrap:hover .glass-tooltip,
.glass-tooltip-wrap:focus-within .glass-tooltip {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* -----------------------------------------------------------------------------
   10. Glass Feedback Alerts & Notifications
   ----------------------------------------------------------------------------- */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 20px;
    border-radius: var(--radius-md);
    font-family: var(--font-secondary);
    font-size: 0.9375rem;
    line-height: 1.5;
    margin-bottom: var(--space-3);
    backdrop-filter: var(--glass-blur-backdrop-md);
    -webkit-backdrop-filter: var(--glass-blur-backdrop-md);
    box-shadow: var(--glass-shadow-sm);
    box-sizing: border-box;
    max-width: 100%;
}

.alert-success {
    background-color: rgba(234, 247, 238, 0.82);
    color: #17542B;
    border: 1px solid rgba(180, 226, 194, 0.85);
}

.alert-error {
    background-color: rgba(253, 242, 242, 0.82);
    color: #991B1B;
    border: 1px solid rgba(248, 205, 208, 0.85);
}

.alert-info {
    background-color: rgba(212, 222, 192, 0.90);
    color: var(--color-navy);
    border: 1px solid rgba(187, 207, 141, 0.90);
}

.alert-icon {
    font-weight: bold;
    font-size: 1.125rem;
    line-height: 1.2;
}

.alert-text {
    flex: 1;
    min-width: 0;
    overflow-wrap: break-word;
}