@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --bg-deep: #0f172a;
    --bg-light: #1e293b;
    --primary: #f7931a;
    --primary-glow: rgba(247, 147, 26, 0.4);
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --success: #22c55e;
    --error: #ef4444;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background: radial-gradient(circle at top right, var(--bg-light), var(--bg-deep));
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    overflow-x: hidden;
}

/* Background Animation */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(90deg, rgba(247, 147, 26, 0.03) 1px, transparent 1px),
        linear-gradient(rgba(247, 147, 26, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
}

.container {
    width: 100%;
    max-width: 550px;
    z-index: 1;
}

.card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: fadeIn 0.6s ease-out;
}

.card:hover {
    box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.6), 0 0 20px rgba(247, 147, 26, 0.1);
}

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

header {
    text-align: center;
    margin-bottom: 32px;
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #f7931a, #ffb74d);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}

.subtitle {
    color: var(--text-dim);
    font-size: 0.95rem;
}

.form-group {
    margin-bottom: 24px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dim);
    font-size: 0.875rem;
    font-weight: 500;
}

input[type="text"] {
    width: 100%;
    background: rgba(15, 23, 42, 0.5);
    border: 2px solid var(--glass-border);
    border-radius: 12px;
    padding: 14px 16px;
    color: var(--text-main);
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    transition: all 0.2s ease;
}

input[type="text"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-glow);
    background: rgba(15, 23, 42, 0.8);
}

.button-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

@media (max-width: 480px) {
    .button-grid {
        grid-template-columns: 1fr;
    }
    .card {
        padding: 24px;
    }
}

button {
    background: linear-gradient(135deg, #f7931a, #e8860c);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 14px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(232, 134, 12, 0.4);
    filter: brightness(1.1);
}

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

.status {
    margin-top: 32px;
    padding: 20px;
    border-radius: 16px;
    font-size: 0.9rem;
    border: 1px solid transparent;
    display: none; /* Shown via JS/PHP logic */
    animation: slideIn 0.3s ease-out;
}

.status.visible {
    display: block;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.status-success {
    background: rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.2);
    color: #4ade80;
}

.status-error {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.2);
    color: #f87171;
}

.status-info {
    background: rgba(148, 163, 184, 0.1);
    border-color: rgba(148, 163, 184, 0.2);
    color: var(--text-dim);
}

.hash-list {
    margin-top: 12px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    background: rgba(0, 0, 0, 0.2);
    padding: 10px;
    border-radius: 8px;
    max-height: 150px;
    overflow-y: auto;
    word-break: break-all;
}

footer {
    margin-top: 24px;
    text-align: center;
    color: var(--text-dim);
    font-size: 0.8rem;
}