:root {
    --bg-dark: #0a0a0c;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --text-main: #ffffff;
    --text-muted: #8a8a93;
    --accent-1: #4f46e5;
    --accent-2: #e11d48;
    --accent-3: #0ea5e9;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
}

/* Dynamic Background Orbs */
.background-orbs {
    position: absolute;
    width: 100vw;
    height: 100vh;
    top: 0;
    left: 0;
    z-index: -1;
    overflow: hidden;
    filter: blur(100px);
}

.orb {
    position: absolute;
    border-radius: 50%;
    opacity: 0.4;
    animation: float 20s infinite ease-in-out alternate;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--accent-1);
    top: -100px;
    left: -100px;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--accent-2);
    bottom: -200px;
    right: -100px;
    animation-delay: -5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: var(--accent-3);
    top: 30%;
    left: 40%;
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 50px) scale(1.1); }
}

/* Layout */
.container {
    width: 100%;
    max-width: 600px;
    padding: 2rem;
    z-index: 1;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.app-icon img {
    animation: pulse-glow 6s ease-in-out infinite;
}

@keyframes pulse-glow {
    0% { transform: translateY(0px); filter: drop-shadow(0 0 18px rgba(79, 70, 229, 0.4)); }
    50% { transform: translateY(-10px); filter: drop-shadow(0 0 25px rgba(16, 185, 129, 0.6)); }
    100% { transform: translateY(0px); filter: drop-shadow(0 0 18px rgba(79, 70, 229, 0.4)); }
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 1rem;
    color: var(--text-muted);
}

header h1 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, #fff, #a5b4fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header p {
    color: var(--text-muted);
    font-weight: 300;
}

/* Glass Panel */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

/* Output Area */
.output-wrapper {
    position: relative;
    margin-bottom: 2rem;
}

.output-box {
    width: 100%;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.5rem;
    font-size: 1.8rem;
    font-weight: 600;
    text-align: center;
    color: #fff;
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    word-break: break-all;
    transition: all 0.3s ease;
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.2);
}

.output-box.loading {
    color: var(--text-muted);
    font-size: 1.2rem;
    font-weight: 300;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { opacity: 0.5; }
    50% { opacity: 1; }
    100% { opacity: 0.5; }
}

.copy-btn {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.copy-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

/* Controls */
.controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

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

label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

input, select {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    color: #fff;
    padding: 0.8rem 1rem;
    border-radius: 12px;
    font-size: 1rem;
    outline: none;
    transition: all 0.2s ease;
    cursor: pointer;
}

input:focus, select:focus {
    border-color: var(--accent-1);
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.2);
}

select option {
    background: var(--bg-dark);
    color: #fff;
}

/* Generate Button */
.generate-btn {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(79, 70, 229, 0.4);
}

.generate-btn:active {
    transform: translateY(0);
}

.generate-btn span {
    position: relative;
    z-index: 2;
}

.btn-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: rotate(45deg);
    z-index: 1;
    animation: btn-shine 3s infinite;
}

@keyframes btn-shine {
    0% { transform: rotate(45deg) translateY(-100%); }
    100% { transform: rotate(45deg) translateY(100%); }
}

@media (max-width: 500px) {
    .controls {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}