/* Invoice Reminders Dashboard — Legendary Dark + Gold Theme */
@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --bg: #0f1117;
    --card: #1a1d27;
    --card-border: #2a2d37;
    --text: #e4e4e7;
    --text-muted: #71717a;
    --text-dim: #a1a1aa;
    --gold: #f5a623;
    --gold-dark: #c4841d;
    --green: #22c55e;
    --red: #ef4444;
    --blue: #3b82f6;
    --purple: #8b5cf6;
    --radius: 12px;
    --shadow: 0 4px 12px rgba(0,0,0,0.3);
    --shadow-gold: 0 0 20px rgba(245,166,35,0.1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

/* Layout */
.app { display: flex; min-height: 100vh; }

.sidebar {
    width: 240px;
    background: rgba(0,0,0,0.3);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--card-border);
    padding: 24px 0;
    flex-shrink: 0;
}
.sidebar-brand {
    padding: 0 20px 24px;
    border-bottom: 1px solid var(--card-border);
    margin-bottom: 16px;
}
.sidebar-brand h1 {
    font-family: 'Oswald', sans-serif;
    font-size: 18px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--gold);
}
.sidebar-brand small { color: var(--text-muted); font-size: 12px; }

.sidebar nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}
.sidebar nav a:hover { background: rgba(245,166,35,0.05); color: var(--text); border-left-color: rgba(245,166,35,0.3); }
.sidebar nav a.active { background: rgba(245,166,35,0.1); color: var(--gold); border-left-color: var(--gold); }

.main { flex: 1; padding: 32px; max-width: 1100px; }

/* Page header */
.page-header { margin-bottom: 28px; }
.page-header h2 {
    font-family: 'Oswald', sans-serif;
    font-size: 24px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text);
}
.page-header p { color: var(--text-muted); font-size: 14px; margin-top: 4px; }

/* Cards */
.card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}
.card:hover { border-color: rgba(245,166,35,0.2); }
.card h3 {
    font-family: 'Oswald', sans-serif;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

/* Stat cards row */
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 28px; }
.stat-card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 20px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-gold); border-color: rgba(245,166,35,0.2); }
.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    border-radius: 1px;
}
.stat-card:nth-child(1)::before { background: var(--gold); }
.stat-card:nth-child(2)::before { background: var(--blue); }
.stat-card:nth-child(3)::before { background: var(--green); }
.stat-card:nth-child(4)::before { background: var(--red); }
.stat-card .label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.stat-card .value {
    font-family: 'Oswald', sans-serif;
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -1px;
    color: var(--text);
}
.stat-card .value.primary { color: var(--blue); }
.stat-card .value.success { color: var(--green); }
.stat-card .value.warning { color: var(--gold); }
.stat-card .value.danger { color: var(--red); }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--card-border);
    border-radius: 8px;
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    background: rgba(0,0,0,0.2);
    color: var(--text);
    transition: all 0.2s;
}
.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(245,166,35,0.15);
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-muted); }
.form-group textarea { min-height: 100px; resize: vertical; font-family: 'Courier New', monospace; font-size: 13px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border: 1px solid var(--card-border);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}
.btn-primary {
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    color: #000;
    border-color: var(--gold);
}
.btn-primary:hover { box-shadow: 0 0 20px rgba(245,166,35,0.3); transform: translateY(-1px); }
.btn-success { background: var(--green); color: #000; border-color: var(--green); }
.btn-success:hover { box-shadow: 0 0 20px rgba(34,197,94,0.3); }
.btn-danger { background: var(--red); color: white; border-color: var(--red); }
.btn-danger:hover { box-shadow: 0 0 20px rgba(239,68,68,0.3); }
.btn-outline {
    background: transparent;
    color: var(--text-dim);
    border: 1px solid var(--card-border);
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }
.btn-sm { padding: 6px 12px; font-size: 13px; }

.btn-group { display: flex; gap: 8px; margin-top: 16px; align-items: center; }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead th {
    text-align: left;
    padding: 10px 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    border-bottom: 2px solid var(--card-border);
}
tbody td { padding: 10px 12px; border-bottom: 1px solid var(--card-border); color: var(--text-dim); }
tbody tr { transition: all 0.15s; }
tbody tr:hover td { background: rgba(245,166,35,0.05); color: var(--text); }

/* Badges */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}
.badge-success { background: rgba(34,197,94,0.15); color: var(--green); }
.badge-warning { background: rgba(245,166,35,0.15); color: var(--gold); }
.badge-danger { background: rgba(239,68,68,0.15); color: var(--red); }
.badge-gray { background: rgba(255,255,255,0.05); color: var(--text-muted); }

/* Alerts */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius);
    font-size: 14px;
    margin-bottom: 16px;
    border: 1px solid;
}
.alert-success { background: rgba(34,197,94,0.1); color: var(--green); border-color: rgba(34,197,94,0.2); }
.alert-warning { background: rgba(245,166,35,0.1); color: var(--gold); border-color: rgba(245,166,35,0.2); }
.alert-danger { background: rgba(239,68,68,0.1); color: var(--red); border-color: rgba(239,68,68,0.2); }
.alert-info { background: rgba(59,130,246,0.1); color: var(--blue); border-color: rgba(59,130,246,0.2); }

/* Auth pages (login/register) */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    position: relative;
    overflow: hidden;
}
.auth-container::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.auth-box {
    background: var(--card);
    border: 1px solid var(--card-border);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    width: 100%;
    max-width: 420px;
    position: relative;
}
.auth-box h1 {
    font-family: 'Oswald', sans-serif;
    font-size: 24px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--gold);
    margin-bottom: 6px;
}
.auth-box .subtitle { color: var(--text-muted); font-size: 14px; margin-bottom: 24px; }
.auth-box .form-group { margin-bottom: 14px; }
.auth-box .btn { width: 100%; justify-content: center; padding: 12px; }
.auth-box .auth-footer { text-align: center; margin-top: 16px; font-size: 13px; color: var(--text-muted); }
.auth-box .auth-footer a { color: var(--gold); text-decoration: none; }
.auth-box .auth-footer a:hover { text-shadow: 0 0 10px rgba(245,166,35,0.3); }

/* Empty state */
.empty-state { text-align: center; padding: 40px 20px; color: var(--text-muted); }
.empty-state p { font-size: 14px; }

/* Setup wizard steps */
.setup-steps { display: flex; flex-direction: column; gap: 10px; }
.setup-step {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    border-radius: var(--radius);
    border: 1px solid var(--card-border);
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    background: rgba(0,0,0,0.2);
}
.setup-step:hover { border-color: var(--gold); box-shadow: var(--shadow-gold); transform: translateY(-1px); }
.setup-step.done { border-color: rgba(34,197,94,0.3); }
.setup-step.step-locked { opacity: 0.4; pointer-events: none; }
.step-icon {
    width: 40px; height: 40px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-family: 'Oswald', sans-serif;
    font-weight: 700; font-size: 16px; flex-shrink: 0;
}
.step-todo { background: rgba(245,166,35,0.15); color: var(--gold); }
.step-done { background: rgba(34,197,94,0.15); color: var(--green); }
.step-content { flex: 1; }
.step-title { font-weight: 600; font-size: 15px; color: var(--text); }
.step-desc { font-size: 13px; color: var(--text-muted); margin-top: 2px; }
.step-action { flex-shrink: 0; }

/* Connect cards (settings page) */
.connect-card { padding: 0; overflow: hidden; }
.connect-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    cursor: pointer;
    transition: background 0.2s;
}
.connect-header:hover { background: rgba(245,166,35,0.03); }
.connect-icon {
    width: 44px; height: 44px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-family: 'Oswald', sans-serif;
    font-weight: 700; font-size: 16px; flex-shrink: 0;
    background: rgba(255,255,255,0.05); color: var(--text-muted);
    letter-spacing: 1px;
}
.connect-icon.connect-done { background: rgba(34,197,94,0.15); color: var(--green); }
.connect-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    border-top: 1px solid var(--card-border);
}
.connect-body.connect-open { max-height: 800px; }
.connect-body form,
.connect-body .connect-help { padding: 0 24px 24px; }
.connect-body .connect-help { padding-top: 20px; padding-bottom: 8px; }
.connect-help p { color: var(--text-dim); font-size: 13px; }
.connect-help p strong { color: var(--gold); }
.connect-help ol { padding-left: 20px; font-size: 13px; color: var(--text-muted); line-height: 1.8; }
.connect-help ol strong { color: var(--text); }

/* Email provider buttons */
.provider-buttons { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.provider-btn { transition: all 0.2s; }
.provider-help { padding: 0 24px; }

/* Setup card special styling */
.setup-card {
    border: 1px solid rgba(245,166,35,0.15);
    background: linear-gradient(135deg, rgba(245,166,35,0.05) 0%, rgba(26,29,39,1) 100%);
    position: relative;
    overflow: hidden;
}
.setup-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

/* Gold accent text */
.text-gold { color: var(--gold); }

/* Section code blocks */
code {
    background: rgba(245,166,35,0.1);
    color: var(--gold);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 13px;
}