:root {
    --bg-dark: #0a0a0f;
    --bg-panel: rgba(20, 20, 30, 0.6);
    --primary: #6366f1;
    --primary-glow: rgba(99, 102, 241, 0.5);
    --secondary: #2dd4bf;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.1);
    --danger: #ef4444;
    --success: #10b981;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Background Effects */
.background-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(circle at center, #13131f 0%, #0a0a0f 100%);
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.3) 0%, transparent 70%);
}

.orb-2 {
    bottom: -20%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(45, 212, 191, 0.2) 0%, transparent 70%);
    animation-delay: -5s;
}

.orb-3 {
    top: 40%;
    left: 50%;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.2) 0%, transparent 70%);
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(5%, 5%) scale(1.1); }
    66% { transform: translate(-5%, 10%) scale(0.9); }
}

/* Layout */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInDown 0.8s ease-out;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.logo h1 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.logo span {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.icon-primary {
    color: var(--primary);
    width: 40px;
    height: 40px;
    filter: drop-shadow(0 0 10px var(--primary-glow));
}

.subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.grid-layout {
    display: grid;
    grid-template-columns: 1fr 350px 1fr;
    gap: 1.5rem;
    height: calc(100vh - 200px);
    min-height: 600px;
}

/* Glass Panels */
.glass-panel {
    background: var(--bg-panel);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: fadeInUp 0.8s ease-out backwards;
}

.glass-panel:hover {
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255,255,255,0.05) inset;
}

.input-panel { animation-delay: 0.1s; }
.options-panel { animation-delay: 0.2s; }
.output-panel { animation-delay: 0.3s; }

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.panel-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.panel-header h2 i {
    width: 20px;
    height: 20px;
    color: var(--secondary);
}

/* Editor Area */
.editor-wrapper {
    flex: 1;
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
}

textarea {
    width: 100%;
    height: 100%;
    background: transparent;
    border: none;
    padding: 1rem;
    color: var(--text-main);
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    resize: none;
    outline: none;
}

textarea::placeholder {
    color: rgba(148, 163, 184, 0.3);
}

/* Form Elements */
.options-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    flex: 1;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

label i {
    width: 16px;
    height: 16px;
}

.tooltip {
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    width: 16px;
    height: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    cursor: help;
    margin-left: auto;
}

input[type="text"],
input[type="datetime-local"] {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    outline: none;
    transition: all 0.2s;
}

input[type="text"]:focus,
input[type="datetime-local"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-glow);
}

/* Badges */
.security-badges {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: auto;
    margin-bottom: 1rem;
}

.badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    padding: 0.5rem;
    border-radius: 6px;
    background: rgba(255,255,255,0.03);
}

.badge.active {
    color: var(--success);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge i {
    width: 16px;
    height: 16px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Inter', sans-serif;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn i {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #4f46e5);
    color: white;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.15);
}

.btn-large {
    padding: 1rem;
    font-size: 1rem;
    width: 100%;
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    border-radius: 6px;
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

/* Utilities */
.hidden {
    display: none !important;
}

.loading-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--primary);
    font-size: 0.9rem;
    margin-top: 1rem;
}

.spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    100% { transform: rotate(360deg); }
}

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

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

/* Responsive */
@media (max-width: 1200px) {
    .grid-layout {
        grid-template-columns: 1fr;
        height: auto;
    }
    .options-panel {
        order: -1;
    }
    .editor-wrapper {
        min-height: 400px;
    }
}