/* ============================================================
   TIERA — Custom Theme
   Design System: Navy (#1B2340), Coral (#FF5A3C), Green (#1FAA6D)
   ============================================================ */

/* CSS Custom Properties (Design Tokens) */
:root {
    --navy: #1B2340;
    --navy-soft: #2A3560;
    --coral: #FF5A3C;
    --coral-soft: #FFE4DC;
    --green: #1FAA6D;
    --green-soft: #E2F5EB;
    --paper: #F6F5F1;
    --paper-raised: #FFFFFF;
    --ink: #1A1A1E;
    --slate: #9297A6;
    --slate-line: #E4E3DD;
    --error: #D9483C;
    
    /* Typography */
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
}

/* ============================================================
   GLOBAL RESET & BASE
   ============================================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background-color: var(--paper);
    color: var(--ink);
    line-height: 1.6;
}

a {
    color: var(--navy);
    text-decoration: none;
}

a:hover {
    color: var(--coral);
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--navy);
}

.display-hero {
    font-family: var(--font-display);
    font-size: 56px;
    font-weight: 700;
    line-height: 1.1;
}

@media (max-width: 768px) {
    .display-hero {
        font-size: 34px;
    }
}

.section-heading {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 600;
}

.body-text {
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 400;
}

.ui-label {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.price-display {
    font-family: var(--font-mono);
    font-size: 28px;
    font-weight: 700;
}

.countdown-number {
    font-family: var(--font-mono);
    font-size: 18px;
    font-weight: 600;
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn-primary-cta {
    background-color: var(--coral);
    color: #FFFFFF;
    border: none;
    padding: 14px 32px;
    font-weight: 600;
    border-radius: 8px;
    transition: background-color 0.2s ease;
    font-family: var(--font-body);
}

.btn-primary-cta:hover {
    background-color: #E54F35;
    color: #FFFFFF;
}

.btn-secondary {
    background-color: transparent;
    color: var(--navy);
    border: 1.5px solid var(--slate-line);
    padding: 12px 28px;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.2s ease;
    font-family: var(--font-body);
}

.btn-secondary:hover {
    border-color: var(--navy);
    background-color: var(--paper-raised);
}

.btn-admin {
    background-color: var(--navy);
    color: var(--paper);
    border: none;
    padding: 10px 24px;
    font-weight: 500;
    border-radius: 6px;
    transition: background-color 0.2s ease;
    font-family: var(--font-body);
}

.btn-admin:hover {
    background-color: var(--navy-soft);
    color: var(--paper);
}

.btn-destructive {
    background-color: var(--error);
    color: #FFFFFF;
    border: none;
    padding: 10px 24px;
    font-weight: 500;
    border-radius: 6px;
    transition: background-color 0.2s ease;
    font-family: var(--font-body);
}

.btn-destructive:hover {
    background-color: #C03A2E;
    color: #FFFFFF;
}

/* ============================================================
   NAVIGATION
   ============================================================ */

.navbar-tiera {
    background-color: var(--navy);
    padding: 12px 0;
}

.navbar-tiera .navbar-brand {
    color: var(--paper);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 24px;
}

.navbar-tiera .navbar-brand:hover {
    color: var(--paper-raised);
}

.navbar-tiera .nav-link {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    transition: color 0.2s ease;
}

.navbar-tiera .nav-link:hover {
    color: var(--paper-raised);
}

.navbar-tiera .nav-link.active {
    color: var(--coral);
}

.navbar-tiera .navbar-toggler {
    border-color: rgba(255, 255, 255, 0.3);
}

.navbar-tiera .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ============================================================
   STAIRCASE / TIER COMPONENT (Signature Element)
   ============================================================ */

.tier-staircase {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px 0;
}

.tier-step {
    display: flex;
    align-items: center;
    padding: 14px 20px;
    border-radius: 8px;
    border: 1.5px solid transparent;
    transition: all 0.3s ease;
    background-color: var(--paper);
}

/* Locked (future tier) */
.tier-step.locked {
    background-color: transparent;
    border-color: var(--slate-line);
}

.tier-step.locked .tier-label,
.tier-step.locked .tier-price {
    color: var(--slate);
}

.tier-step.locked .tier-icon {
    color: var(--slate);
}

/* Unlocked (achieved tier) */
.tier-step.unlocked {
    background-color: var(--green-soft);
    border-color: var(--green);
}

.tier-step.unlocked .tier-label,
.tier-step.unlocked .tier-price {
    color: var(--green);
}

.tier-step.unlocked .tier-icon {
    color: var(--green);
}

/* Active (current tier) */
.tier-step.active {
    background-color: var(--coral);
    border-color: var(--coral);
}

.tier-step.active .tier-label,
.tier-step.active .tier-price {
    color: #FFFFFF;
}

.tier-step.active .tier-icon {
    color: #FFFFFF;
}

.tier-step .tier-icon {
    width: 28px;
    font-size: 18px;
    margin-right: 16px;
    flex-shrink: 0;
}

.tier-step .tier-info {
    flex: 1;
}

.tier-step .tier-label {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
}

.tier-step .tier-range {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--slate);
}

.tier-step.active .tier-range {
    color: rgba(255, 255, 255, 0.8);
}

.tier-step .tier-price {
    font-family: var(--font-mono);
    font-size: 20px;
    font-weight: 700;
    text-align: right;
}

.tier-step .tier-status-badge {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 2px 12px;
    border-radius: 12px;
    margin-left: 12px;
}

.tier-step.locked .tier-status-badge {
    color: var(--slate);
    background-color: var(--slate-line);
}

.tier-step.unlocked .tier-status-badge {
    color: var(--green);
    background-color: var(--green-soft);
}

.tier-step.active .tier-status-badge {
    color: var(--coral);
    background-color: rgba(255, 255, 255, 0.2);
}

/* ============================================================
   CAMPAIGN STATUS BADGES
   ============================================================ */

.badge-campaign {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 4px 14px;
    border-radius: 12px;
}

.badge-campaign.forming {
    color: var(--slate);
    background-color: var(--slate-line);
}

.badge-campaign.active {
    color: var(--coral);
    background-color: var(--coral-soft);
}

.badge-campaign.unlocked {
    color: var(--green);
    background-color: var(--green-soft);
}

.badge-campaign.succeeded {
    color: var(--green);
    background-color: var(--green-soft);
}

.badge-campaign.failed {
    color: var(--slate);
    background-color: var(--slate-line);
}

/* ============================================================
   COUNTDOWN TIMER
   ============================================================ */

.countdown-box {
    background-color: var(--navy);
    padding: 16px 24px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    gap: 20px;
}

.countdown-box .countdown-label {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: rgba(255, 255, 255, 0.7);
}

.countdown-box .countdown-value {
    font-family: var(--font-mono);
    font-size: 22px;
    font-weight: 700;
    color: var(--coral);
}

.countdown-box.urgent {
    background-color: var(--coral);
}

.countdown-box.urgent .countdown-value {
    color: #FFFFFF;
}

.countdown-box.urgent .countdown-label {
    color: rgba(255, 255, 255, 0.8);
}

/* ============================================================
   CARDS & PANELS
   ============================================================ */

.card-tiera {
    background-color: var(--paper-raised);
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: box-shadow 0.2s ease;
}

.card-tiera:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

.card-tiera .card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--slate-line);
    padding: 18px 24px;
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--navy);
}

.card-tiera .card-body {
    padding: 24px;
}

/* ============================================================
   ADMIN DASHBOARD
   ============================================================ */

.admin-sidebar {
    background-color: var(--navy);
    min-height: 100vh;
    padding: 24px 0;
}

.admin-sidebar .nav-link {
    color: rgba(255, 255, 255, 0.7);
    padding: 10px 24px;
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.admin-sidebar .nav-link:hover {
    color: var(--paper-raised);
    background-color: rgba(255, 255, 255, 0.05);
}

.admin-sidebar .nav-link.active {
    color: var(--paper-raised);
    background-color: rgba(255, 90, 60, 0.2);
}

.admin-sidebar .nav-link .nav-icon {
    margin-right: 12px;
    width: 20px;
    text-align: center;
}

.admin-sidebar .sidebar-brand {
    color: var(--paper);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 22px;
    padding: 0 24px 24px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 16px;
}

/* ============================================================
   PRODUCT CARDS
   ============================================================ */

.product-card {
    background-color: var(--paper-raised);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.product-card:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.product-card .product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background-color: var(--slate-line);
}

.product-card .product-body {
    padding: 16px 20px 20px 20px;
}

.product-card .product-title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 4px;
}

.product-card .product-price {
    font-family: var(--font-mono);
    font-size: 20px;
    font-weight: 700;
    color: var(--coral);
}

.product-card .product-meta {
    font-family: var(--font-body);
    font-size: 13px;
    color: var(--slate);
}

/* ============================================================
   ALERTS & FLASH MESSAGES
   ============================================================ */

.alert-flash {
    border-radius: 8px;
    border: none;
    padding: 16px 20px;
}

.alert-success-custom {
    background-color: var(--green-soft);
    color: var(--green);
}

.alert-danger-custom {
    background-color: #FDE8E5;
    color: var(--error);
}

.alert-info-custom {
    background-color: #E8F0FE;
    color: var(--navy);
}

/* ============================================================
   FORMS
   ============================================================ */

.form-tiera .form-control {
    border: 1.5px solid var(--slate-line);
    border-radius: 8px;
    padding: 12px 16px;
    font-family: var(--font-body);
    font-size: 15px;
    transition: border-color 0.2s ease;
}

.form-tiera .form-control:focus {
    border-color: var(--navy);
    box-shadow: 0 0 0 3px rgba(27, 35, 64, 0.1);
}

.form-tiera .form-label {
    font-weight: 500;
    color: var(--navy);
    font-size: 14px;
}

/* ============================================================
   UTILITIES
   ============================================================ */

.text-navy { color: var(--navy); }
.text-coral { color: var(--coral); }
.text-green { color: var(--green); }
.text-slate { color: var(--slate); }
.text-ink { color: var(--ink); }

.bg-navy { background-color: var(--navy); }
.bg-coral { background-color: var(--coral); }
.bg-green { background-color: var(--green); }
.bg-paper { background-color: var(--paper); }
.bg-white { background-color: var(--paper-raised); }

.font-display { font-family: var(--font-display); }
.font-body { font-family: var(--font-body); }
.font-mono { font-family: var(--font-mono); }

.border-coral { border-color: var(--coral); }
.border-green { border-color: var(--green); }
.border-slate { border-color: var(--slate-line); }

.rounded-12 { border-radius: 12px; }
.rounded-8 { border-radius: 8px; }

.shadow-soft { box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06); }
.shadow-medium { box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08); }