/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Design Tokens ── */
:root {
  --bg:      #0A0E1A;
  --bg2:     #111827;
  --card:    #1A2035;
  --elev:    #212B42;
  --t1:      #F1F5F9;
  --t2:      #94A3B8;
  --t3:      #475569;
  --purple:  #A855F7;
  --cyan:    #06B6D4;
  --pink:    #EC4899;
  --green:   #22C55E;
  --red:     #EF4444;
  --yellow:  #FACC15;
  --border:  #1E2D4A;
  --grad:    linear-gradient(135deg, #A855F7, #06B6D4);
}

/* ── Base ── */
html, body {
  height: 100%;
  background: #05080F;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  font-family: 'Inter', sans-serif;
  color: var(--t1);
}

/* ── Phone Frame ── */
.phone {
  width: 390px;
  min-height: 100vh;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  position: relative;
}

/* ── Status Bar ── */
.status-bar {
  height: 44px;
  background: var(--bg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
  flex-shrink: 0;
}
.status-bar .time { font-size: 13px; font-weight: 600; color: var(--t1); }
.status-icons { display: flex; gap: 6px; align-items: center; }
.status-icons i { width: 16px; height: 16px; color: var(--t1); }

/* ── Light Mode ── */
:root[data-mode="light"] {
  --bg:     #F8FAFC;
  --bg2:    #F1F5F9;
  --card:   #FFFFFF;
  --elev:   #E2E8F0;
  --t1:     #0F172A;
  --t2:     #475569;
  --t3:     #94A3B8;
  --purple: #7C3AED;
  --cyan:   #0891B2;
  --pink:   #DB2777;
  --green:  #16A34A;
  --red:    #DC2626;
  --yellow: #D97706;
  --border: #CBD5E1;
  --grad:   linear-gradient(135deg, #7C3AED, #0891B2);
}
:root[data-mode="light"] body { background: #E2E8F0; }
:root[data-mode="light"] .bottom-nav {
  background: rgba(241,245,249,.95);
  border-top-color: #CBD5E1;
}
:root[data-mode="light"] .nav-item { color: #94A3B8; }
:root[data-mode="light"] .nav-item.active { color: var(--purple); background: rgba(124,58,237,.08); }
:root[data-mode="light"] .toast { background: #FFFFFF; color: #0F172A; border-color: #CBD5E1; }

/* Light + color theme combos */
:root[data-mode="light"][data-theme="cyan"]   { --purple:#0891B2; --cyan:#7C3AED; --grad:linear-gradient(135deg,#0891B2,#7C3AED); }
:root[data-mode="light"][data-theme="green"]  { --purple:#16A34A; --cyan:#0891B2; --grad:linear-gradient(135deg,#16A34A,#0891B2); }
:root[data-mode="light"][data-theme="orange"] { --purple:#EA580C; --cyan:#DC2626; --grad:linear-gradient(135deg,#EA580C,#DC2626); }
:root[data-mode="light"][data-theme="pink"]   { --purple:#DB2777; --cyan:#7C3AED; --grad:linear-gradient(135deg,#DB2777,#7C3AED); }
:root[data-mode="light"][data-theme="gold"]   { --purple:#D97706; --cyan:#DC2626; --grad:linear-gradient(135deg,#D97706,#DC2626); }
:root[data-mode="light"][data-theme="blue"]   { --purple:#2563EB; --cyan:#7C3AED; --grad:linear-gradient(135deg,#2563EB,#7C3AED); }

/* ── Theme Color Presets ── */
:root[data-theme="cyan"]   { --purple:#06B6D4; --cyan:#8B5CF6; --grad:linear-gradient(135deg,#06B6D4,#8B5CF6); }
:root[data-theme="green"]  { --purple:#22C55E; --cyan:#06B6D4; --grad:linear-gradient(135deg,#22C55E,#06B6D4); }
:root[data-theme="orange"] { --purple:#F97316; --cyan:#EF4444; --grad:linear-gradient(135deg,#F97316,#EF4444); }
:root[data-theme="pink"]   { --purple:#EC4899; --cyan:#A855F7; --grad:linear-gradient(135deg,#EC4899,#A855F7); }
:root[data-theme="gold"]   { --purple:#F59E0B; --cyan:#EF4444; --grad:linear-gradient(135deg,#F59E0B,#EF4444); }
:root[data-theme="blue"]   { --purple:#3B82F6; --cyan:#8B5CF6; --grad:linear-gradient(135deg,#3B82F6,#8B5CF6); }

/* ── Bottom Navigation ── */
.bottom-nav {
  display: flex; align-items: center; justify-content: space-around;
  height: 64px; padding: 0 4px 8px;
  background: rgba(17,24,39,.95);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.nav-item {
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  text-decoration: none; color: var(--t3);
  font-size: 10px; font-weight: 600;
  padding: 6px 14px; border-radius: 12px;
  transition: color .2s, background .2s;
  font-family: 'Inter', sans-serif;
}
.nav-item i { width: 22px; height: 22px; }
.nav-item.active { color: var(--purple); background: rgba(168,85,247,.1); }
:root[data-theme="cyan"]   .nav-item.active { background: rgba(6,182,212,.1); }
:root[data-theme="green"]  .nav-item.active { background: rgba(34,197,94,.1); }
:root[data-theme="orange"] .nav-item.active { background: rgba(249,115,22,.1); }
:root[data-theme="pink"]   .nav-item.active { background: rgba(236,72,153,.1); }
:root[data-theme="gold"]   .nav-item.active { background: rgba(245,158,11,.1); }
:root[data-theme="blue"]   .nav-item.active { background: rgba(59,130,246,.1); }

/* ── Toast (shared) ── */
.toast {
  position: fixed; bottom: 80px; left: 50%; transform: translateX(-50%) translateY(10px);
  background: var(--elev); color: var(--t1); border: 1px solid var(--border);
  padding: 10px 20px; border-radius: 12px; font-size: 13px; font-weight: 500;
  opacity: 0; transition: all .25s; pointer-events: none; white-space: nowrap; z-index: 300;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }