/* ═══════════════════════════════════════════════════════════════
   BOARDANCE — Complete Design System & Styles
   Premium dark-theme PWA for dance school management
   ═══════════════════════════════════════════════════════════════ */

/* ── Design Tokens ─────────────────────────────────────────── */

:root {
  /* Colors */
  --color-bg:          #0D0D1A;
  --color-bg-card:     rgba(255, 255, 255, 0.05);
  --color-bg-card-hover: rgba(255, 255, 255, 0.08);
  --color-bg-input:    rgba(255, 255, 255, 0.07);
  --color-bg-nav:      rgba(13, 13, 26, 0.92);
  --color-surface:     rgba(255, 255, 255, 0.03);

  --color-accent:      #F5A623;
  --color-accent-hover:#E6971A;
  --color-accent-glow: rgba(245, 166, 35, 0.2);

  --color-text:        #FFFFFF;
  --color-text-muted:  rgba(255, 255, 255, 0.6);
  --color-text-dim:    rgba(255, 255, 255, 0.35);
  --color-border:      rgba(255, 255, 255, 0.08);
  --color-border-focus:rgba(245, 166, 35, 0.5);

  --color-success:     #34D399;
  --color-success-bg:  rgba(52, 211, 153, 0.12);
  --color-danger:      #F87171;
  --color-danger-bg:   rgba(248, 113, 113, 0.12);
  --color-warning:     #FBBF24;
  --color-warning-bg:  rgba(251, 191, 36, 0.12);
  --color-info:        #60A5FA;
  --color-info-bg:     rgba(96, 165, 250, 0.12);

  /* Typography */
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;
  --fs-xs:   0.75rem;   /* 12px */
  --fs-sm:   0.8125rem; /* 13px */
  --fs-base: 0.9375rem; /* 15px */
  --fs-md:   1rem;      /* 16px */
  --fs-lg:   1.25rem;   /* 20px */
  --fs-xl:   1.5rem;    /* 24px */
  --fs-2xl:  2rem;      /* 32px */

  /* Spacing */
  --space-xxs: 0.25rem;
  --space-xs:  0.5rem;
  --space-sm:  0.75rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;

  /* Radii */
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-full:9999px;

  /* Shadows */
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-nav:  0 -4px 24px rgba(0, 0, 0, 0.4);
  --shadow-modal:0 16px 64px rgba(0, 0, 0, 0.5);

  /* Layout */
  --max-width: 480px;
  --nav-height: 72px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;
}

/* ── Reset & Base ──────────────────────────────────────────── */

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#app {
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: opacity var(--duration-fast) ease;
}

a:hover { opacity: 0.85; }

img {
  max-width: 100%;
  display: block;
}

input, button, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* Remove autofill blue backgrounds on iOS/Chrome */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus {
  -webkit-box-shadow: 0 0 0px 1000px var(--color-bg) inset !important;
  -webkit-text-fill-color: var(--color-text) !important;
  transition: background-color 5000s ease-in-out 0s;
}

/* ── Page Layout ───────────────────────────────────────────── */

.page {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  min-height: 100vh;
  min-height: 100dvh;
  position: relative;
}

.page--with-nav {
  padding-bottom: calc(var(--nav-height) + var(--safe-bottom) + var(--space-md));
}

.page-content {
  padding: var(--space-lg) var(--space-md);
  padding-top: calc(var(--space-xl) + env(safe-area-inset-top, 0px));
}

.page--login {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg) var(--space-md);
}

/* ── Page Transitions ──────────────────────────────────────── */

.page-enter {
  opacity: 0;
  transform: translateY(12px);
}

.page-enter-active {
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

/* ── Page Header ───────────────────────────────────────────── */

.page-header {
  margin-bottom: var(--space-lg);
}

.page-header--centered {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-title {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-text);
}

.page-subtitle {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-xxs);
}

.section-title {
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  margin-top: var(--space-lg);
}

/* ── Buttons ───────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 14px 24px;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: var(--fs-base);
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: all var(--duration-fast) ease;
  min-height: 48px;
  touch-action: manipulation;
  user-select: none;
  position: relative;
  overflow: hidden;
}

.btn:active { transform: scale(0.97); }
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn--primary {
  background: var(--color-accent);
  color: #000;
}
.btn--primary:hover { background: var(--color-accent-hover); }

.btn--outline {
  background: transparent;
  border: 1.5px solid var(--color-accent);
  color: var(--color-accent);
}
.btn--outline:hover {
  background: var(--color-accent-glow);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
}
.btn--ghost:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.05);
}

.btn--danger {
  background: var(--color-danger);
  color: #fff;
}
.btn--danger:hover { opacity: 0.9; }

.btn--block { width: 100%; }

.btn--sm {
  padding: 8px 16px;
  font-size: var(--fs-sm);
  min-height: 36px;
  border-radius: var(--radius-sm);
}

.btn-link {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  cursor: pointer;
  padding: var(--space-sm) 0;
  display: block;
  text-align: center;
  width: 100%;
  transition: color var(--duration-fast) ease;
}

.btn-link:hover { color: var(--color-accent); }

/* ── Cards ─────────────────────────────────────────────────── */

.card {
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
  transition: transform var(--duration-fast) ease,
              background var(--duration-fast) ease;
}

.card--glass {
  background: var(--color-bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}

.card--glass:hover {
  background: var(--color-bg-card-hover);
}

.card--highlight {
  border-color: var(--color-accent);
  border-width: 1px;
  box-shadow: var(--shadow-card), 0 0 30px var(--color-accent-glow);
}

.card--accent {
  background: linear-gradient(135deg, rgba(245, 166, 35, 0.12), rgba(245, 166, 35, 0.04));
  border: 1px solid rgba(245, 166, 35, 0.2);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.card--plan {
  border-color: var(--color-accent);
}

.card--disabled {
  opacity: 0.55;
}

.card__label {
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
}

/* ── Form Inputs ───────────────────────────────────────────── */

.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xxs);
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  background: var(--color-bg-input);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--fs-base);
  line-height: 1.4;
  transition: border-color var(--duration-fast) ease,
              box-shadow var(--duration-fast) ease;
  min-height: 48px;
}

.form-input::placeholder {
  color: var(--color-text-dim);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-input:disabled,
.form-input[readonly] {
  opacity: 0.5;
  cursor: not-allowed;
}

.form-hint {
  display: block;
  font-size: var(--fs-xs);
  color: var(--color-text-dim);
  margin-top: var(--space-xxs);
}

/* ── Badges ────────────────────────────────────────────────── */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.badge--sm {
  padding: 4px 8px;
  font-size: 0.6875rem;
}

.badge--success {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.badge--danger {
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

.badge--warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
}

.badge--info {
  background: var(--color-info-bg);
  color: var(--color-info);
}

/* ── Bottom Navigation ─────────────────────────────────────── */

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: var(--max-width);
  height: var(--nav-height);
  padding-bottom: var(--safe-bottom);
  background: var(--color-bg-nav);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-around;
  z-index: 100;
  box-shadow: var(--shadow-nav);
}

.nav-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 8px 12px;
  min-width: 64px;
  min-height: 48px;
  color: var(--color-text-dim);
  text-decoration: none;
  transition: color var(--duration-fast) ease,
              transform var(--duration-fast) ease;
  border-radius: var(--radius-sm);
}

.nav-tab:hover {
  color: var(--color-text-muted);
  opacity: 1;
}

.nav-tab--active {
  color: var(--color-accent);
}

.nav-tab--active .nav-tab__icon {
  filter: drop-shadow(0 0 8px var(--color-accent-glow));
}

.nav-tab:active { transform: scale(0.9); }

.nav-tab__icon {
  display: flex;
  width: 24px;
  height: 24px;
}

.nav-tab__label {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ── Login Page ────────────────────────────────────────────── */

.login-container {
  width: 100%;
  max-width: var(--max-width);
  padding: var(--space-xl) var(--space-md);
}

.login-logo {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.login-logo__img {
  width: auto;
  max-width: 160px;
  max-height: 100px;
  object-fit: contain;
  margin: 0 auto var(--space-md);
  filter: drop-shadow(0 8px 24px var(--color-accent-glow));
}

.login-logo__title {
  font-family: var(--font-heading);
  font-size: var(--fs-2xl);
  font-weight: 900;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--color-accent), #FFD98E);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-logo__subtitle {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-xxs);
}

/* Auth Tabs */
.auth-tabs {
  display: flex;
  background: var(--color-bg-card);
  border-radius: var(--radius-full);
  padding: 4px;
  margin-bottom: var(--space-xl);
  border: 1px solid var(--color-border);
}

.auth-tab {
  flex: 1;
  padding: 10px;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--duration-fast) ease;
  min-height: 44px;
}

.auth-tab--active {
  background: var(--color-accent);
  color: #000;
}

.auth-form {
  animation: fadeSlideUp var(--duration-slow) var(--ease-out);
}

.forgot-link {
  margin-top: var(--space-sm);
}

/* ── Dashboard ─────────────────────────────────────────────── */

.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
}

.greeting {
  font-size: var(--fs-xl);
  font-weight: 700;
}

.greeting-sub {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.avatar-link {
  text-decoration: none;
}

/* Avatar */
.avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-accent), #FFD98E);
  color: #000;
  font-family: var(--font-heading);
  font-weight: 700;
  flex-shrink: 0;
}

.avatar--sm {
  width: 40px;
  height: 40px;
  font-size: var(--fs-sm);
}

.avatar--lg {
  width: 80px;
  height: 80px;
  font-size: var(--fs-xl);
}

/* Next Class */
.next-class {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.next-class__icon {
  font-size: 2.5rem;
  flex-shrink: 0;
}

.next-class__type {
  font-size: var(--fs-lg);
  font-weight: 600;
}

.next-class__detail {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.next-class__room {
  font-size: var(--fs-xs);
  color: var(--color-text-dim);
  margin-top: 4px;
}

/* Recovery Banner */
.recovery-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.recovery-banner__info {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.recovery-banner__icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.recovery-banner__text {
  font-size: var(--fs-sm);
  color: var(--color-text);
}

.recovery-banner__sub {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* Horizontal Scroll */
.horizontal-scroll {
  display: flex;
  gap: var(--space-sm);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: var(--space-xs) 0;
  margin: 0 calc(-1 * var(--space-sm));
  padding-left: var(--space-sm);
  padding-right: var(--space-sm);
}

.horizontal-scroll::-webkit-scrollbar { display: none; }
.horizontal-scroll { -ms-overflow-style: none; scrollbar-width: none; }

/* Mini Cards */
.mini-card {
  min-width: 100px;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
  scroll-snap-align: start;
  flex-shrink: 0;
  transition: border-color var(--duration-fast) ease;
}

.mini-card:hover {
  border-color: var(--color-accent);
}

.mini-card__dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  margin: 0 auto var(--space-xs);
}

.mini-card__day {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.mini-card__time {
  font-size: var(--fs-md);
  font-weight: 700;
  font-family: var(--font-heading);
  margin: 4px 0;
}

.mini-card__type {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.mini-card__status {
  display: block;
  font-size: var(--fs-sm);
  margin-top: var(--space-xs);
}

/* Month Stats */
.month-stats {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.progress-ring {
  position: relative;
  flex-shrink: 0;
}

.progress-ring svg {
  display: block;
}

.progress-ring__bg {
  fill: none;
  stroke: var(--color-border);
  stroke-width: 8;
}

.progress-ring__fill {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 8;
  stroke-linecap: round;
  transition: stroke-dashoffset 1s var(--ease-out);
}

.progress-ring__label {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.progress-ring__value {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-accent);
}

.progress-ring__sub {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.month-stats__detail {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stat-row__label {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.stat-row__value {
  font-size: var(--fs-base);
  font-weight: 600;
  font-family: var(--font-heading);
}

/* ── Calendar Strip ────────────────────────────────────────── */

.calendar-strip {
  display: flex;
  gap: var(--space-xs);
  overflow-x: auto;
  padding: var(--space-xs) 0;
  margin-bottom: var(--space-lg);
  -webkit-overflow-scrolling: touch;
}

.calendar-strip::-webkit-scrollbar { display: none; }
.calendar-strip { -ms-overflow-style: none; scrollbar-width: none; }

.cal-day {
  flex: 1;
  min-width: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: var(--space-sm) var(--space-xs);
  background: transparent;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--duration-fast) ease;
  min-height: 60px;
}

.cal-day:active { transform: scale(0.93); }

.cal-day--active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #000;
}

.cal-day--active .cal-day__abbr,
.cal-day--active .cal-day__num {
  color: #000;
}

.cal-day--today {
  border-color: var(--color-accent);
}

.cal-day__abbr {
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cal-day__num {
  font-size: var(--fs-md);
  font-weight: 700;
  font-family: var(--font-heading);
}

/* ── Class Cards ───────────────────────────────────────────── */

.classes-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.class-card {
  margin-bottom: var(--space-sm);
}

.class-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.class-card__dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.class-card__info {
  flex: 1;
  min-width: 0;
}

.class-card__type {
  font-size: var(--fs-base);
  font-weight: 600;
}

.class-card__time {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.class-card__room {
  font-size: var(--fs-xs);
  color: var(--color-text-dim);
  margin-top: 2px;
}

.class-card__right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-xs);
  flex-shrink: 0;
}

.class-card__actions {
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
}

/* Spots indicator */
.spots {
  font-size: var(--fs-xs);
  color: var(--color-success);
  font-weight: 500;
}

.spots--full {
  color: var(--color-danger);
}

/* ── Recovery Page ─────────────────────────────────────────── */

.credits-badge {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-accent-glow);
  border: 1px solid rgba(245, 166, 35, 0.2);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
}

.credits-badge__icon {
  font-size: 1.5rem;
}

.credits-badge__text {
  font-size: var(--fs-sm);
  color: var(--color-text);
}

/* ── Payments Page ─────────────────────────────────────────── */

.plan-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.plan-name {
  font-size: var(--fs-lg);
  font-weight: 700;
  font-family: var(--font-heading);
}

.plan-price {
  font-size: var(--fs-2xl);
  font-weight: 700;
  font-family: var(--font-heading);
  color: var(--color-accent);
  margin-top: var(--space-xs);
}

.plan-detail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.plan-detail__label {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.plan-detail__value {
  font-size: var(--fs-base);
  font-weight: 600;
}

/* Plan Options in Modal */
.plan-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.plan-option {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--color-bg-card);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--duration-fast) ease;
}

.plan-option:has(input:checked) {
  border-color: var(--color-accent);
  background: var(--color-accent-glow);
}

.plan-option input[type="radio"] {
  accent-color: var(--color-accent);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.plan-option__content {
  flex: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.plan-option__name {
  font-weight: 600;
  font-size: var(--fs-base);
}

.plan-option__price {
  color: var(--color-accent);
  font-weight: 600;
  font-size: var(--fs-sm);
}

/* Payment Rows */
.payment-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-xs);
}

.payment-row__date {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.payment-row__desc {
  font-size: var(--fs-base);
  font-weight: 500;
  margin-top: 2px;
}

.payment-row__right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.payment-row__amount {
  font-size: var(--fs-lg);
  font-weight: 700;
  font-family: var(--font-heading);
}

/* Plan Cards Grid */
.plans-scroll {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-sm);
}

@media (max-width: 480px) {
  .plans-scroll {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xs);
  }
}

.plan-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-md);
  transition: border-color var(--duration-fast) ease, transform var(--duration-fast) ease;
}

.plan-card:active {
  transform: scale(0.97);
}

.plan-card--current {
  border-color: var(--color-accent) !important;
  background: var(--color-accent-glow);
}

.plan-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-xs);
}

.plan-card__name {
  font-size: var(--fs-sm);
  font-weight: 600;
  line-height: 1.3;
}

.plan-card__price {
  margin: var(--space-xs) 0;
}

.plan-card__amount {
  font-size: var(--fs-xl);
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--color-accent);
}

.plan-card__period {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin-left: 2px;
}

.plan-card__desc {
  flex: 1;
  margin-bottom: var(--space-xs);
  line-height: 1.4;
}


/* ── Profile Page ──────────────────────────────────────────── */

.profile-form .card {
  padding: var(--space-lg);
}

.profile-plan {
  font-size: var(--fs-lg);
  font-weight: 600;
  font-family: var(--font-heading);
}

.profile-footer {
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.app-version {
  text-align: center;
  font-size: var(--fs-xs);
  color: var(--color-text-dim);
  margin-top: var(--space-md);
  padding-bottom: var(--space-lg);
}

/* ── Modal ─────────────────────────────────────────────────── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  z-index: 200;
  opacity: 0;
  transition: opacity var(--duration-normal) ease;
}

.modal-overlay--visible {
  opacity: 1;
}

.modal-card {
  width: 100%;
  max-width: 380px;
  background: #1A1A2E;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-modal);
  transform: scale(0.95) translateY(10px);
  transition: transform var(--duration-normal) var(--ease-spring);
}

.modal-overlay--visible .modal-card {
  transform: scale(1) translateY(0);
}

.modal-title {
  font-size: var(--fs-lg);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.modal-message {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}

.modal-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: flex-end;
}

.modal-actions .btn {
  flex: 1;
}

/* ── Toast ─────────────────────────────────────────────────── */

.toast-container {
  position: fixed;
  top: calc(var(--space-md) + env(safe-area-inset-top, 0px));
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: var(--max-width);
  padding: 0 var(--space-md);
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  pointer-events: auto;
  cursor: pointer;
  transform: translateY(-20px);
  opacity: 0;
  transition: all var(--duration-normal) var(--ease-spring);
}

.toast--visible {
  transform: translateY(0);
  opacity: 1;
}

.toast--exiting {
  transform: translateY(-20px);
  opacity: 0;
}

.toast--success {
  background: rgba(52, 211, 153, 0.15);
  border-color: rgba(52, 211, 153, 0.3);
}

.toast--success .toast__icon { color: var(--color-success); }

.toast--error {
  background: rgba(248, 113, 113, 0.15);
  border-color: rgba(248, 113, 113, 0.3);
}

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

.toast--info {
  background: rgba(245, 166, 35, 0.15);
  border-color: rgba(245, 166, 35, 0.3);
}

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

.toast__icon {
  display: flex;
  flex-shrink: 0;
}

.toast__message {
  font-size: var(--fs-sm);
  font-weight: 500;
  line-height: 1.4;
}

/* ── Empty States ──────────────────────────────────────────── */

.empty-state {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
}

.empty-state--sm {
  padding: var(--space-lg) var(--space-md);
}

.empty-state__icon {
  display: block;
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.empty-state h3 {
  font-size: var(--fs-md);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.empty-state p {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

/* ── Skeletons (Loading) ───────────────────────────────────── */

.skeleton-card {
  height: 120px;
  background: linear-gradient(
    90deg,
    var(--color-bg-card) 25%,
    rgba(255, 255, 255, 0.08) 50%,
    var(--color-bg-card) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
}

.skeleton-card--sm {
  height: 72px;
}

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Spinner ───────────────────────────────────────────────── */

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2.5px solid rgba(0, 0, 0, 0.15);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.btn--outline .spinner,
.btn--ghost .spinner,
.btn--danger .spinner {
  border-color: rgba(255, 255, 255, 0.2);
  border-top-color: #fff;
}

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

/* ── Utility Animations ────────────────────────────────────── */

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

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ── Responsive ────────────────────────────────────────────── */

@media (min-width: 481px) {
  .page-content {
    padding: var(--space-xl) var(--space-lg);
    padding-top: calc(var(--space-2xl) + env(safe-area-inset-top, 0px));
  }

  .login-container {
    padding: var(--space-2xl) var(--space-xl);
  }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}