/* ═══════════════════════════════════════
   StarKerak WebApp — Telegram Mini App
   Modern, Glassmorphism, Dark-first
   ═══════════════════════════════════════ */

:root {
    /* Telegram theme variables fallback */
    --tg-theme-bg-color: #1a1a2e;
    --tg-theme-text-color: #ffffff;
    --tg-theme-hint-color: #8e8ea0;
    --tg-theme-link-color: #6c5ce7;
    --tg-theme-button-color: #6c5ce7;
    --tg-theme-button-text-color: #ffffff;
    --tg-theme-secondary-bg-color: #16213e;

    /* Custom vars */
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-hover: rgba(255, 255, 255, 0.1);
    --radius: 16px;
    --radius-sm: 10px;
    /* Native Telegram Adaptive Glass */
    --glass-bg: color-mix(in srgb, var(--tg-theme-text-color) 5%, transparent);
    --glass-border: color-mix(in srgb, var(--tg-theme-text-color) 12%, transparent);
    --glass-hover: color-mix(in srgb, var(--tg-theme-text-color) 8%, transparent);
    --nav-bg: color-mix(in srgb, var(--tg-theme-bg-color) 70%, transparent);
    --nav-border: color-mix(in srgb, var(--tg-theme-text-color) 15%, transparent);
    --glass-blur: blur(20px) saturate(150%);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--tg-theme-bg-color);
    color: var(--tg-theme-text-color);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

#app {
    max-width: 100%;
    padding-bottom: 80px;
}

/* ═══ HEADER ═══ */
.header {
    padding: 20px 16px 16px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow);
}

.glass-panel-inner {
    background: color-mix(in srgb, var(--tg-theme-text-color) 4%, transparent);
    border: 1px solid color-mix(in srgb, var(--tg-theme-text-color) 8%, transparent);
    border-radius: var(--radius-sm);
}

.header-content {
    position: relative;
    z-index: 1;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: transparent;
    color: var(--tg-theme-text-color);
}

.subtitle {
    font-size: 13px;
    color: var(--tg-theme-hint-color);
    margin-top: 4px;
}

/* ═══ BOTTOM NAVIGATION ═══ */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-around;
    background: rgba(30, 30, 30, 0.6);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 8px 4px calc(env(safe-area-inset-bottom, 20px) + 8px);
    z-index: 100;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.2);
}

.nav-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 6px 2px;
    border: none;
    background: transparent;
    color: var(--tg-theme-hint-color);
    cursor: pointer;
    transition: var(--transition);
    -webkit-tap-highlight-color: transparent;
    max-width: 70px;
}

.nav-btn.active {
    color: var(--tg-theme-button-color);
}

.nav-btn.active .nav-icon {
    transform: scale(1.1) translateY(-2px);
    color: var(--tg-theme-button-color);
}

.nav-icon {
    font-size: 20px;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.nav-label {
    font-size: 10px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

/* ═══ PAGES ═══ */
.page {
    display: none;
    padding: 0 16px 16px;
    animation: fadeIn 0.3s ease;
}

.page.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ═══ GREETING ═══ */
.greeting {
    padding: 16px 0;
}

.greeting h2 {
    font-size: 22px;
    font-weight: 700;
}

.greeting p {
    font-size: 14px;
    color: var(--tg-theme-hint-color);
    margin-top: 4px;
}

/* ═══ STATS GRID ═══ */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.stat-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.1);
    opacity: 0;
    transition: var(--transition);
}

.stat-card:active::after {
    opacity: 1;
}

}

.stat-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.2;
}

.stat-label {
    font-size: 11px;
    opacity: 0.85;
    font-weight: 500;
    margin-top: 2px;
}

/* ═══ SECTIONS ═══ */
.section {
    margin-bottom: 20px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.section-title {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 12px;
}

.section-header .section-title {
    margin-bottom: 0;
}

/* ═══ CARDS ═══ */
.info-card {
    padding: 16px;
    margin-bottom: 12px;
}

.info-card h4 {
    font-size: 15px;
    margin-bottom: 10px;
}

.info-list {
    padding-left: 20px;
    font-size: 13px;
    color: var(--tg-theme-hint-color);
    line-height: 1.8;
}

.bot-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.bot-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    background: var(--gradient-purple);
    flex-shrink: 0;
}

.bot-details h4 {
    font-size: 15px;
    font-weight: 600;
}

.bot-details p {
    font-size: 12px;
    color: var(--tg-theme-hint-color);
    margin-top: 2px;
}

.bot-status {
    font-size: 24px;
}

/* ═══ PAYMENT ITEMS ═══ */
.payment-item {
    padding: 14px;
    margin-bottom: 10px;
    transition: var(--transition);
}

.payment-item:active {
    background: var(--glass-hover);
}

.payment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.payment-amount {
    font-size: 17px;
    font-weight: 700;
}

.payment-source {
    font-size: 12px;
    padding: 3px 8px;
    border-radius: 20px;
    background: color-mix(in srgb, var(--tg-theme-button-color) 15%, transparent);
    color: var(--tg-theme-button-color);
    font-weight: 500;
}

.payment-details {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: var(--tg-theme-hint-color);
}

.payment-detail {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ═══ BUTTONS ═══ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    -webkit-tap-highlight-color: transparent;
}

.btn-primary {
    background: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
    border: none;
}

.btn-primary:active {
    opacity: 0.9;
    transform: scale(0.97);
}

.btn-secondary {
    background: transparent;
    color: var(--tg-theme-text-color);
    border: 1px solid var(--glass-border);
}

.btn-sm {
    padding: 8px 14px;
    font-size: 13px;
}

.btn-danger {
    background: rgba(245, 87, 108, 0.15);
    color: #f5576c;
}

/* ═══ INPUTS ═══ */
.input-group {
    display: flex;
    gap: 8px;
}

.input {
    flex: 1;
    padding: 12px 14px;
    background: color-mix(in srgb, var(--tg-theme-text-color) 5%, transparent);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--tg-theme-text-color);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: var(--transition);
}

.input:focus {
    border-color: var(--tg-theme-button-color);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--tg-theme-button-color) 30%, transparent);
}

.input::placeholder {
    color: var(--tg-theme-hint-color);
}

/* ═══ SETTINGS ═══ */
.setting-group {
    padding: 16px;
    margin-bottom: 12px;
}

.setting-label {
    font-size: 15px;
    font-weight: 600;
    display: block;
    margin-bottom: 4px;
}

.setting-desc {
    font-size: 12px;
    color: var(--tg-theme-hint-color);
    margin-bottom: 10px;
    line-height: 1.5;
}

.setting-desc code {
    background: rgba(108, 92, 231, 0.15);
    padding: 1px 5px;
    border-radius: 4px;
    font-size: 11px;
}

/* ═══ CODE BLOCK ═══ */
.code-block {
    background: color-mix(in srgb, var(--tg-theme-text-color) 5%, transparent);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 12px;
    overflow-x: auto;
    font-size: 12px;
    line-height: 1.6;
    -webkit-overflow-scrolling: touch;
}

.code-block code {
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    color: var(--tg-theme-text-color);
    white-space: pre;
}

/* ═══ EMPTY STATE ═══ */
.empty-state {
    text-align: center;
    padding: 40px 20px;
}

.empty-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 12px;
}

.empty-state p {
    color: var(--tg-theme-hint-color);
    font-size: 14px;
    margin-bottom: 16px;
}

/* ═══ LOADING ═══ */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 200;
    backdrop-filter: blur(4px);
}

.loading-overlay.show {
    display: flex;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.15);
    border-top-color: var(--tg-theme-button-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ═══ TOAST ═══ */
.toast-container {
    position: fixed;
    top: 16px;
    left: 16px;
    right: 16px;
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    animation: toastIn 0.3s ease;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.toast-success {
    background: rgba(56, 239, 125, 0.2);
    border: 1px solid rgba(56, 239, 125, 0.3);
    color: #38ef7d;
}

.toast-error {
    background: rgba(245, 87, 108, 0.2);
    border: 1px solid rgba(245, 87, 108, 0.3);
    color: #f5576c;
}

.toast-info {
    background: rgba(108, 92, 231, 0.2);
    border: 1px solid rgba(108, 92, 231, 0.3);
    color: #a29bfe;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateY(-16px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ═══ TOGGLE SWITCH ═══ */
.toggle-switch {
    position: relative;
    width: 48px;
    height: 28px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 28px;
    cursor: pointer;
    transition: var(--transition);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 22px;
    height: 22px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: var(--transition);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--tg-theme-button-color);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(20px);
}

/* ═══ UTILS ═══ */
.text-muted {
    color: var(--tg-theme-hint-color);
}

.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }

/* ═══ FILTER BAR ═══ */
.filter-bar {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-group {
    display: flex;
    gap: 8px;
}

.filter-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%238e8ea0%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat;
    background-position: right 12px top 50%;
    background-size: 10px auto;
    padding-right: 30px;
}

/* ═══ MODAL ═══ */
.modal {
    position: fixed;
    inset: 0;
    z-index: 400;
    display: none;
    align-items: flex-end;
    justify-content: center;
}

.modal.show {
    display: flex;
    animation: modalFadeIn 0.3s ease forwards;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-height: 90vh;
    border-radius: 24px 24px 0 0 !important;
    padding: 20px;
    z-index: 401;
    overflow-y: auto;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal.show .modal-content {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.modal-close {
    background: color-mix(in srgb, var(--tg-theme-text-color) 10%, transparent);
    border: none;
    color: var(--tg-theme-text-color);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    cursor: pointer;
}

.modal-body {
    font-size: 14px;
    line-height: 1.6;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid var(--glass-border);
}

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

.detail-label {
    color: var(--tg-theme-text-color);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.detail-value {
    font-weight: 600;
    text-align: right;
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Toggle Switch CSS */
.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 28px;
}
.switch input { 
  opacity: 0;
  width: 0;
  height: 0;
}
.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  -webkit-transition: .4s;
  transition: .4s;
}
.slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  -webkit-transition: .4s;
  transition: .4s;
}
input:checked + .slider {
  background-color: var(--tg-theme-button-color, #2196F3);
}
input:focus + .slider {
  box-shadow: 0 0 1px var(--tg-theme-button-color, #2196F3);
}
input:checked + .slider:before {
  -webkit-transform: translateX(22px);
  -ms-transform: translateX(22px);
  transform: translateX(22px);
}
.slider.round {
  border-radius: 34px;
}
.slider.round:before {
  border-radius: 50%;
}