/* ============================================
   FinSys PWA — Styles
   Builder pattern with custom theme
   ============================================ */

:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #eff6ff;
    --secondary: #1e3a5f;
    --secondary-dark: #0a0a0a;
    --secondary-light: #f8fafc;
    --accent: #eab308;
    --accent-dark: #b45309;
    --accent-light: #fef9c3;
    --bg: #F2F2F7;
    --bg-secondary: #E5E5EA;
    --bg-card: #FFFFFF;
    --text: #1C1C1E;
    --text-secondary: #8E8E93;
    --border: #D1D1D6;
    --radius: 16px;
    --radius-sm: 10px;
    --header-h: 56px;
    --nav-h: 64px;
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
}

html.dark {
    --bg: #1C1C1E; --bg-secondary: #2C2C2E; --bg-card: #2C2C2E;
    --text: #F2F2F7; --text-secondary: #8E8E93; --border: #3A3A3C;
    --primary-light: #1a1a2e;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    background: var(--bg); color: var(--text); line-height: 1.5; overflow-x: hidden;
    -webkit-font-smoothing: antialiased; -webkit-tap-highlight-color: transparent;
}

#splash {
    position: fixed; inset: 0; z-index: 10000;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #2563eb, #1e3a5f);
    transition: opacity 0.4s ease;
}
#splash.hidden { opacity: 0; pointer-events: none; }
.splash-icon {
    width: 96px; height: 96px; border-radius: 28px;
    background: rgba(255,255,255,0.15); backdrop-filter: blur(20px);
    display: flex; align-items: center; justify-content: center;
    font-size: 56px; margin-bottom: 20px; animation: splashPulse 1.5s ease infinite;
}
.splash-title { color: white; font-size: 28px; font-weight: 800; margin-bottom: 6px; }
.splash-sub { color: rgba(255,255,255,0.65); font-size: 14px; font-weight: 500; }
@keyframes splashPulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.05); } }

#auth-screen {
    position: fixed; inset: 0; z-index: 9999;
    display: none; flex-direction: column; align-items: center; justify-content: center;
    background: var(--bg); padding: 24px;
}
#auth-screen.active { display: flex; }
.auth-wrapper { width: 100%; max-width: 380px; }
.auth-header { text-align: center; margin-bottom: 32px; }
.auth-icon {
    width: 80px; height: 80px; border-radius: 24px;
    background: linear-gradient(135deg, #2563eb, #1e3a5f);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 16px; font-size: 40px; color: white;
}
.auth-title { font-size: 24px; font-weight: 800; color: var(--text); }
.auth-subtitle { font-size: 14px; color: var(--text-secondary); margin-top: 4px; }
.auth-form { display: flex; flex-direction: column; gap: 16px; }
.auth-error { font-size: 13px; color: #DC2626; text-align: center; padding: 10px; background: #FEE2E2; border-radius: var(--radius-sm); display: none; }
.auth-error.visible { display: block; }

#main-app { display: none; }
#main-app.active { display: block; }

.app-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    height: var(--header-h); padding-top: var(--safe-top);
    background: var(--primary);
    display: flex; align-items: center; justify-content: space-between; padding: 0 16px; color: white;
}
.header-left { display: flex; align-items: center; gap: 12px; }
.header-back {
    width: 36px; height: 36px; border-radius: 10px;
    background: rgba(255,255,255,0.15); border: none; color: white;
    display: none; align-items: center; justify-content: center; cursor: pointer; font-size: 18px;
}
.header-back.visible { display: flex; }
.header-title { font-size: 18px; font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 200px; }
.header-right { display: flex; align-items: center; gap: 8px; }
.header-btn {
    width: 36px; height: 36px; border-radius: 10px;
    background: rgba(255,255,255,0.15); border: none; color: white;
    display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 18px;
}
.header-btn:active { background: rgba(255,255,255,0.25); }

.content-area {
    margin-top: var(--header-h); margin-bottom: var(--nav-h);
    min-height: calc(100vh - var(--header-h) - var(--nav-h));
    padding-bottom: var(--safe-bottom);
}

.bottom-nav {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 100;
    height: var(--nav-h); padding-bottom: var(--safe-bottom);
    background: var(--bg-card); border-top: 1px solid var(--border); display: flex; align-items: stretch;
}
.nav-tab {
    flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 2px; border: none; background: none; color: var(--text-secondary); font-size: 10px; font-weight: 600; cursor: pointer; transition: color 0.2s;
}
.nav-tab i, .nav-tab svg { font-size: 22px; }
.nav-tab.active { color: var(--primary); }
.nav-tab:active { opacity: 0.7; }

.side-menu-overlay {
    position: fixed; inset: 0; z-index: 200;
    background: rgba(0,0,0,0.4); opacity: 0; pointer-events: none; transition: opacity 0.3s;
}
.side-menu-overlay.open { opacity: 1; pointer-events: auto; }
.side-menu {
    position: fixed; top: 0; right: -300px; bottom: 0; z-index: 201;
    width: 300px; background: var(--bg-card); box-shadow: -4px 0 24px rgba(0,0,0,0.1);
    transition: right 0.3s ease; display: flex; flex-direction: column;
    padding: var(--safe-top) 0 var(--safe-bottom);
}
.side-menu.open { right: 0; }
.side-menu-header { padding: 20px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.side-menu-body { flex: 1; overflow-y: auto; padding: 12px; }

.card { background: var(--bg-card); border-radius: var(--radius); padding: 16px; border: 1px solid var(--border); }
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 20px; border-radius: var(--radius-sm); border: none;
    font-size: 14px; font-weight: 600; cursor: pointer; transition: all 0.2s; text-decoration: none;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--bg-secondary); color: var(--text); }
.btn-danger { background: #DC2626; color: white; }
.btn-success { background: #16a34a; color: white; }
.btn-block { width: 100%; }
.btn-lg { padding: 14px 24px; font-size: 16px; }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-icon { width: 40px; height: 40px; padding: 0; border-radius: 12px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 13px; font-weight: 600; color: var(--text-secondary); }
.form-input, .form-select {
    width: 100%; padding: 12px 16px; border-radius: var(--radius-sm);
    border: 1.5px solid var(--border); background: var(--bg-card);
    font-size: 15px; color: var(--text); transition: border-color 0.2s; font-family: inherit;
}
.form-input:focus, .form-select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }
textarea.form-input { resize: vertical; min-height: 80px; }

.badge {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 4px 10px; border-radius: 100px; font-size: 11px; font-weight: 700; text-transform: uppercase;
}
.badge-active { background: #DCFCE7; color: #16a34a; }
.badge-approved { background: #DBEAFE; color: #1E40AF; }
.badge-draft { background: var(--bg-secondary); color: var(--text-secondary); }
.badge-warning { background: #FEF3C7; color: #92400E; }
.badge-danger { background: #FEE2E2; color: #DC2626; }

.avatar {
    width: 40px; height: 40px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 700; flex-shrink: 0;
}

.hero-card {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius); padding: 24px; color: white;
}

.grid-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.grid-stat { padding: 12px; text-align: center; }
.grid-stat-label { font-size: 11px; font-weight: 600; text-transform: uppercase; margin-bottom: 4px; color: var(--text-secondary); }
.grid-stat-value { font-size: 1.25rem; font-weight: 800; color: var(--text); }

.empty-state {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 48px 24px; text-align: center; color: var(--text-secondary);
}
.empty-state i { font-size: 48px; margin-bottom: 12px; opacity: 0.3; }

.menu-item {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 16px; cursor: pointer; width: 100%;
    transition: background 0.2s; text-decoration: none; color: var(--text); background: none;
}
.menu-item:active { background: var(--bg-secondary); }

.page-header { display: flex; align-items: center; justify-content: space-between; padding: 0 4px; }
.page-title { font-size: 1.5rem; font-weight: 800; }

.modal-overlay {
    position: fixed; inset: 0; z-index: 300;
    background: rgba(0,0,0,0.5); backdrop-filter: blur(4px);
    display: flex; align-items: flex-end; justify-content: center;
    opacity: 0; pointer-events: none; transition: opacity 0.3s;
}
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal-content {
    background: var(--bg-card); border-radius: 20px 20px 0 0;
    width: 100%; max-width: 500px; max-height: 85vh; overflow-y: auto; padding: 24px;
    transform: translateY(100%); transition: transform 0.3s ease;
}
.modal-overlay.active .modal-content { transform: translateY(0); }
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.modal-title { font-size: 18px; font-weight: 800; }
.modal-close {
    width: 32px; height: 32px; border-radius: 50%;
    background: var(--bg-secondary); border: none; color: var(--text);
    display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 16px;
}

.toast-container { position: fixed; top: calc(var(--header-h) + 8px); left: 50%; transform: translateX(-50%); z-index: 9998; display: flex; flex-direction: column; gap: 8px; width: 90%; max-width: 400px; }
.toast {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 16px; border-radius: var(--radius-sm); font-size: 14px; font-weight: 500;
    animation: toastIn 0.3s ease; box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}
.toast-success { background: #16a34a; color: white; }
.toast-error { background: #DC2626; color: white; }
.toast-info { background: #2563eb; color: white; }
@keyframes toastIn { from { opacity: 0; transform: translateY(-12px); } to { opacity: 1; transform: translateY(0); } }

#install-prompt {
    position: fixed; bottom: calc(var(--nav-h) + 16px); left: 16px; right: 16px; z-index: 150;
    background: var(--bg-card); border-radius: var(--radius);
    padding: 16px; display: none; align-items: center; gap: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.12); border: 1px solid var(--border);
}
#install-prompt.visible { display: flex; }
.install-icon {
    width: 48px; height: 48px; border-radius: 14px;
    background: linear-gradient(135deg, #2563eb, #1e3a5f);
    display: flex; align-items: center; justify-content: center; font-size: 24px; color: white; flex-shrink: 0;
}
.install-info { flex: 1; }
.install-title { font-size: 14px; font-weight: 700; }
.install-desc { font-size: 12px; color: var(--text-secondary); }
#install-close {
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--bg-secondary); border: none;
    display: flex; align-items: center; justify-content: center; font-size: 14px; color: var(--text-secondary); cursor: pointer;
}

.p-4 { padding: 16px; }
.space-y-2 > * + * { margin-top: 8px; }
.space-y-3 > * + * { margin-top: 12px; }
.space-y-4 > * + * { margin-top: 16px; }
.space-y-5 > * + * { margin-top: 20px; }
.text-xs { font-size: 12px; }
.text-sm { font-size: 14px; }
.text-xl { font-size: 1.25rem; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

.anim-fade { animation: fadeUp 0.3s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

#sync-status { font-size: 11px; padding: 2px 8px; border-radius: 100px; font-weight: 600; display: none; }
#sync-status.syncing { display: inline-block; background: rgba(255,255,255,0.2); color: white; }
#sync-status.synced { display: inline-block; background: rgba(255,255,255,0.2); color: #86efac; }
#sync-status.error { display: inline-block; background: rgba(255,255,255,0.2); color: #fca5a5; }

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

@supports (padding: env(safe-area-inset-top)) {
    .app-header { padding-top: env(safe-area-inset-top); height: calc(var(--header-h) + env(safe-area-inset-top)); }
    .content-area { margin-top: calc(var(--header-h) + env(safe-area-inset-top)); }
    .bottom-nav { padding-bottom: env(safe-area-inset-bottom); height: calc(var(--nav-h) + env(safe-area-inset-bottom)); }
    .content-area { margin-bottom: calc(var(--nav-h) + env(safe-area-inset-bottom)); }
}