:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --secondary: #ec4899;
    --bg-dark: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --success: #22c55e;
    --error: #ef4444;
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    background: var(--bg-dark);
    background-image: 
        radial-gradient(at 0% 0%, hsla(253,16%,7%,1) 0, transparent 50%), 
        radial-gradient(at 50% 0%, hsla(225,39%,30%,1) 0, transparent 50%), 
        radial-gradient(at 100% 0%, hsla(339,49%,30%,1) 0, transparent 50%);
    color: var(--text-main);
    font-family: var(--font-family);
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    width: 100%;
    max-width: 480px;
    padding: 20px;
    transition: all 0.5s ease;
}

.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 32px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

h1, h2 {
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.025em;
}

p.muted {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 24px;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-muted);
}

input {
    width: 100%;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 12px 16px;
    color: white;
    font-size: 16px;
    outline: none;
    transition: border-color 0.3s;
}

input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

button {
    width: 100%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    border-radius: 12px;
    padding: 14px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, opacity 0.2s;
    margin-top: 10px;
}

button:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

button:active {
    transform: translateY(0);
}

button.secondary {
    background: transparent;
    border: 1px solid var(--glass-border);
    margin-top: 15px;
}

/* Dashboard UI */
.dashboard {
    display: none;
}

.balance-card {
    background: linear-gradient(135deg, var(--primary), #8b5cf6);
    border-radius: 20px;
    padding: 24px;
    margin-bottom: 24px;
    text-align: center;
}

.balance-label {
    font-size: 14px;
    opacity: 0.8;
    margin-bottom: 4px;
}

.balance-amount {
    font-size: 32px;
    font-weight: 800;
}

.status-badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.1);
    margin-top: 12px;
}

.status-Pending { background: #f59e0b; }
.status-Approved { background: #10b981; }
.status-Rejected { background: #ef4444; }

.action-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.action-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 16px;
    text-align: center;
    cursor: pointer;
    transition: background 0.3s;
}

.action-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.action-icon {
    font-size: 24px;
    margin-bottom: 8px;
}

/* Utilities */
.hidden { display: none; }
.show { display: block; }

#toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    padding: 12px 24px;
    border-radius: 12px;
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: none;
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from { transform: translate(-50%, 100%); }
    to { transform: translate(-50%, 0); }
}