/* === Local eSIM — Material Design 3 === */

:root {
    --md-primary: #006C35;
    --md-primary-light: #00A651;
    --md-primary-dark: #004d26;
    --md-on-primary: #FFFFFF;
    --md-primary-container: color-mix(in srgb, var(--md-primary) 15%, white);
    --md-on-primary-container: color-mix(in srgb, var(--md-primary) 80%, black);
    --md-surface: #FCFCFC;
    --md-surface-dim: #F0F0F0;
    --md-surface-container: #F3F3F3;
    --md-surface-container-low: #F7F7F7;
    --md-surface-container-high: #ECECEC;
    --md-on-surface: #1C1B1F;
    --md-on-surface-variant: #49454F;
    --md-outline: #79747E;
    --md-outline-variant: #CAC4D0;
    --md-secondary: #1a5276;
    --md-secondary-container: #D6E4F0;
    --md-tertiary: #7D5260;
    --md-error: #B3261E;
    --md-error-container: #F9DEDC;
    --md-shadow-1: 0 1px 3px 1px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.12);
    --md-shadow-2: 0 2px 6px 2px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.12);
    --md-shadow-3: 0 4px 8px 3px rgba(0,0,0,.08), 0 1px 3px rgba(0,0,0,.12);
    --md-shape-sm: 8px;
    --md-shape-md: 12px;
    --md-shape-lg: 16px;
    --md-shape-xl: 28px;
    --md-motion: cubic-bezier(0.2, 0, 0, 1);
}

* { box-sizing: border-box; }

body {
    background: var(--md-surface);
    color: var(--md-on-surface);
    font-family: 'Google Sans', 'Inter', system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}

/* ═══════ NAVBAR — Material Top App Bar ═══════ */
.md-app-bar {
    background: var(--md-surface);
    box-shadow: none;
    border-bottom: 1px solid var(--md-outline-variant);
    transition: box-shadow .2s var(--md-motion);
}
.md-app-bar.scrolled {
    box-shadow: var(--md-shadow-1);
    border-bottom-color: transparent;
}
.md-app-bar .navbar-brand {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--md-on-surface);
    letter-spacing: 0;
}
.md-app-bar .nav-link {
    color: var(--md-on-surface-variant);
    font-weight: 500;
    font-size: .875rem;
    letter-spacing: .02em;
    padding: 8px 16px !important;
    border-radius: 100px;
    transition: background .2s var(--md-motion), color .15s;
}
.md-app-bar .nav-link:hover,
.md-app-bar .nav-link:focus {
    background: var(--md-primary-container);
    color: var(--md-on-primary-container);
}
.md-app-bar .navbar-toggler {
    border: none;
    color: var(--md-on-surface);
}

/* ═══════ HERO — Material Surface Tonal ═══════ */
.hero-section {
    background: linear-gradient(160deg, var(--md-primary-dark) 0%, var(--md-primary) 40%, var(--md-primary-light) 100%);
    color: var(--md-on-primary);
    padding: 80px 0 88px;
    position: relative;
    overflow: hidden;
}
.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 70% 20%, rgba(255,255,255,.08) 0%, transparent 60%),
                radial-gradient(circle at 20% 80%, rgba(255,255,255,.04) 0%, transparent 50%);
    pointer-events: none;
}
.hero-section h1 {
    font-size: 3.2rem;
    font-weight: 600;
    letter-spacing: -.02em;
    line-height: 1.15;
    margin-bottom: 16px;
}
.hero-section .lead {
    font-size: 1.15rem;
    font-weight: 400;
    opacity: .88;
    max-width: 520px;
    margin: 0 auto 28px;
    line-height: 1.6;
}

/* ═══════ BUTTONS — Material Filled / Outlined / Tonal ═══════ */
.btn-md-filled {
    background: var(--md-primary);
    color: var(--md-on-primary);
    border: none;
    padding: 12px 28px;
    border-radius: 100px;
    font-weight: 500;
    font-size: .9rem;
    letter-spacing: .02em;
    transition: all .2s var(--md-motion);
    box-shadow: none;
    position: relative;
    overflow: hidden;
}
.btn-md-filled:hover {
    background: var(--md-primary-dark);
    color: var(--md-on-primary);
    box-shadow: var(--md-shadow-1);
    transform: translateY(-1px);
}
.btn-md-filled:active { transform: scale(.98); }

.btn-md-outlined {
    background: transparent;
    color: var(--md-primary);
    border: 1px solid var(--md-outline);
    padding: 11px 27px;
    border-radius: 100px;
    font-weight: 500;
    font-size: .9rem;
    letter-spacing: .02em;
    transition: all .2s var(--md-motion);
}
.btn-md-outlined:hover {
    background: var(--md-primary-container);
    color: var(--md-on-primary-container);
    border-color: var(--md-primary);
}

.btn-md-tonal {
    background: var(--md-primary-container);
    color: var(--md-on-primary-container);
    border: none;
    padding: 12px 28px;
    border-radius: 100px;
    font-weight: 500;
    font-size: .9rem;
    letter-spacing: .02em;
    transition: all .2s var(--md-motion);
}
.btn-md-tonal:hover {
    box-shadow: var(--md-shadow-1);
    color: var(--md-on-primary-container);
}

/* Keep old class for backward compat */
.bg-md-primary { background: var(--md-primary) !important; color: var(--md-on-primary) !important; }

/* ═══════ FEATURE CARDS — Material Elevated Card ═══════ */
.md-feature-card {
    background: var(--md-surface);
    border-radius: var(--md-shape-lg);
    padding: 32px 24px;
    text-align: center;
    transition: box-shadow .3s var(--md-motion), transform .2s var(--md-motion);
    box-shadow: var(--md-shadow-1);
    height: 100%;
}
.md-feature-card:hover {
    box-shadow: var(--md-shadow-2);
    transform: translateY(-2px);
}
.md-feature-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--md-shape-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 1.35rem;
}
.md-feature-icon.primary { background: var(--md-primary-container); color: var(--md-on-primary-container); }
.md-feature-icon.secondary { background: var(--md-secondary-container); color: var(--md-secondary); }
.md-feature-icon.tertiary { background: #FFD8E4; color: var(--md-tertiary); }
.md-feature-card h5 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--md-on-surface);
}
.md-feature-card p {
    font-size: .875rem;
    color: var(--md-on-surface-variant);
    margin: 0;
    line-height: 1.5;
}

/* ═══════ PLAN CARDS — Material Filled Card ═══════ */
.md-plan-card {
    background: var(--md-surface);
    border: 1px solid var(--md-outline-variant);
    border-radius: var(--md-shape-lg);
    overflow: hidden;
    height: 100%;
    transition: box-shadow .3s var(--md-motion), border-color .2s, transform .2s var(--md-motion);
    display: flex;
    flex-direction: column;
}
.md-plan-card:hover {
    box-shadow: var(--md-shadow-2);
    border-color: var(--md-primary);
    transform: translateY(-3px);
}
.md-plan-card .card-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.md-plan-card .plan-badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 100px;
    font-size: .7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    width: fit-content;
}
.md-plan-card .plan-badge.unlimited { background: var(--md-primary-container); color: var(--md-on-primary-container); }
.md-plan-card .plan-badge.standard { background: var(--md-secondary-container); color: var(--md-secondary); }
.md-plan-card h4 { font-size: 1.1rem; font-weight: 500; margin: 10px 0 0; color: var(--md-on-surface); }
.md-plan-card .price-tag {
    font-size: 2.4rem;
    font-weight: 600;
    color: var(--md-primary);
    margin: 16px 0 8px;
    letter-spacing: -.02em;
}
.md-plan-card .price-tag .currency { font-size: 1rem; font-weight: 400; vertical-align: super; }
.md-plan-card .plan-features { list-style: none; padding: 0; margin: 0 0 16px; }
.md-plan-card .plan-features li {
    padding: 6px 0;
    font-size: .875rem;
    color: var(--md-on-surface-variant);
    display: flex;
    align-items: center;
    gap: 10px;
}
.md-plan-card .plan-features li i { color: var(--md-primary); font-size: .8rem; width: 16px; text-align: center; }

/* ═══════ DETAIL CARD ═══════ */
.md-detail-card {
    background: var(--md-surface);
    border-radius: var(--md-shape-xl);
    box-shadow: var(--md-shadow-2);
    overflow: hidden;
}
.md-detail-header {
    background: linear-gradient(160deg, var(--md-primary), var(--md-primary-light));
    color: var(--md-on-primary);
    padding: 32px;
}
.md-detail-body { padding: 32px; }
.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid var(--md-outline-variant);
}
.detail-row:last-child { border-bottom: none; }

/* ═══════ FORM CONTROLS — Material ═══════ */
.form-control, .form-select {
    border-radius: var(--md-shape-sm);
    border: 1px solid var(--md-outline);
    padding: 14px 16px;
    font-size: .9rem;
    transition: border-color .2s, box-shadow .2s;
    background: var(--md-surface);
}
.form-control:focus, .form-select:focus {
    border-color: var(--md-primary);
    box-shadow: 0 0 0 1px var(--md-primary);
}
.form-label {
    font-size: .8rem;
    font-weight: 500;
    letter-spacing: .02em;
    color: var(--md-on-surface-variant);
    margin-bottom: 6px;
}

/* ═══════ SECTION HEADERS ═══════ */
.md-section-title {
    font-size: 1.75rem;
    font-weight: 600;
    letter-spacing: -.01em;
    color: var(--md-on-surface);
    text-align: center;
    margin-bottom: 12px;
}
.md-section-subtitle {
    font-size: .95rem;
    color: var(--md-on-surface-variant);
    text-align: center;
    margin-bottom: 40px;
}

/* ═══════ BLOG LIST ═══════ */
.md-blog-card {
    background: var(--md-surface);
    border: 1px solid var(--md-outline-variant);
    border-radius: var(--md-shape-lg);
    padding: 24px;
    transition: box-shadow .3s var(--md-motion), border-color .2s, transform .2s var(--md-motion);
    display: flex;
    flex-direction: column;
    height: 100%;
}
.md-blog-card:hover {
    box-shadow: var(--md-shadow-2);
    border-color: var(--md-primary);
    transform: translateY(-2px);
}
.md-blog-card .blog-tag {
    font-size: .7rem;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--md-primary);
    background: var(--md-primary-container);
    padding: 4px 12px;
    border-radius: 100px;
    width: fit-content;
    margin-bottom: 12px;
}
.md-blog-card h3 {
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--md-on-surface);
    margin-bottom: 8px;
    line-height: 1.4;
}
.md-blog-card .blog-excerpt {
    font-size: .875rem;
    color: var(--md-on-surface-variant);
    line-height: 1.6;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.md-blog-card .blog-meta {
    font-size: .75rem;
    color: var(--md-outline);
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--md-outline-variant);
}
.md-blog-card .blog-link {
    font-size: .875rem;
    font-weight: 500;
    color: var(--md-primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 12px;
}
.md-blog-card .blog-link:hover { text-decoration: underline; }

/* ═══════ STATUS BADGES ═══════ */
.status-badge { padding: 4px 14px; border-radius: 100px; font-size: .75rem; font-weight: 500; letter-spacing: .02em; }
.status-COMPLETED { background: var(--md-primary-container); color: var(--md-on-primary-container); }
.status-PENDING { background: #FFF3E0; color: #E65100; }
.status-PAYMENT_COMPLETED { background: var(--md-secondary-container); color: var(--md-secondary); }
.status-ESIM_ORDERED { background: #E8EAF6; color: #283593; }
.status-FAILED { background: var(--md-error-container); color: var(--md-error); }
.status-REFUNDED { background: #FCE4EC; color: #880E4F; }

/* ═══════ SUCCESS PAGE ═══════ */
.success-icon {
    width: 80px; height: 80px;
    border-radius: 50%;
    background: var(--md-primary-container);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: var(--md-on-primary-container);
}
.qr-code-container {
    background: var(--md-surface);
    padding: 20px;
    border-radius: var(--md-shape-lg);
    box-shadow: var(--md-shadow-1);
    display: inline-block;
}

/* ═══════ OTP ═══════ */
.otp-input {
    font-size: 1.5rem; text-align: center; letter-spacing: 10px;
    font-weight: 600; max-width: 300px;
}

/* ═══════ eSIM LIST ═══════ */
.esim-card {
    border: 1px solid var(--md-outline-variant);
    border-radius: var(--md-shape-md);
    box-shadow: none;
    margin-bottom: 12px;
    transition: box-shadow .2s var(--md-motion);
}
.esim-card:hover { box-shadow: var(--md-shadow-1); }

/* ═══════ FOOTER — Material Surface ═══════ */
footer.md-footer {
    background: var(--md-on-surface);
    color: rgba(255,255,255,.7);
}
footer.md-footer h6 { color: #fff; font-size: .8rem; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; }
footer.md-footer a { color: rgba(255,255,255,.6); text-decoration: none; font-size: .875rem; transition: color .15s; }
footer.md-footer a:hover { color: #fff; }
footer.md-footer .text-muted { color: rgba(255,255,255,.5) !important; }
footer.md-footer p, footer.md-footer span, footer.md-footer li { color: rgba(255,255,255,.6); font-size: .875rem; }

/* ═══════ ADMIN (unchanged compat) ═══════ */
.admin-stat-card { border: none; border-radius: var(--md-shape-md); padding: 25px; color: white; box-shadow: var(--md-shadow-1); }
.admin-stat-card.green { background: linear-gradient(135deg, var(--md-primary), var(--md-primary-light)); }
.admin-stat-card.blue { background: linear-gradient(135deg, #1565c0, #42a5f5); }
.admin-stat-card.orange { background: linear-gradient(135deg, #ef6c00, #ffa726); }
.admin-stat-card.red { background: linear-gradient(135deg, #c62828, #ef5350); }
.admin-stat-card .stat-number { font-size: 2.5rem; font-weight: 700; }

/* Old class compat */
.plan-badge.unlimited { background: var(--md-primary-container); color: var(--md-on-primary-container); }
.plan-badge.standard { background: var(--md-secondary-container); color: var(--md-secondary); }
.detail-card { border: none; border-radius: var(--md-shape-xl); box-shadow: var(--md-shadow-2); overflow: hidden; }
.detail-header { background: linear-gradient(160deg, var(--md-primary), var(--md-primary-light)); color: var(--md-on-primary); padding: 32px; }
.detail-body { padding: 32px; }
.feature-card { background: var(--md-surface); border-radius: var(--md-shape-lg); box-shadow: var(--md-shadow-1); }

/* ═══════ UTILITY ═══════ */
.text-primary-brand { color: var(--md-primary) !important; }
.bg-primary-brand { background-color: var(--md-primary) !important; }

/* ═══════ RESPONSIVE ═══════ */
@media (max-width: 768px) {
    .hero-section h1 { font-size: 2rem; }
    .hero-section { padding: 56px 0 64px; }
    .md-plan-card .price-tag { font-size: 1.8rem; }
}

/* ═══════ RTL ═══════ */
[dir="rtl"] .me-2 { margin-right: 0 !important; margin-left: .5rem !important; }
[dir="rtl"] .ms-auto { margin-left: unset !important; margin-right: auto !important; }
[dir="rtl"] .text-end { text-align: left !important; }
[dir="rtl"] .text-start { text-align: right !important; }
[dir="rtl"] .md-blog-card .blog-link i { transform: scaleX(-1); }