:root {
    --bg-color: #0f172a;
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --error: #ef4444;
    --success: #10b981;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
}

/* Background Animated Shapes */
.background-shapes {
    position: absolute;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 10s infinite ease-in-out alternate;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: #4f46e5;
    top: -100px;
    left: -100px;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: #ec4899;
    bottom: -50px;
    right: -50px;
    animation-delay: -5s;
}

.shape-3 {
    width: 250px;
    height: 250px;
    background: #06b6d4;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -2s;
}

@keyframes float {
    0% { transform: translateY(0) scale(1); }
    100% { transform: translateY(-30px) scale(1.1); }
}

/* Main Container */
.container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
    perspective: 1000px;
}

.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: 40px 30px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.hidden {
    display: none !important;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 30px;
}

.header h1, .header h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(to right, #fff, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

/* Form Elements */
.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-main);
}

.input-group input {
    width: 100%;
    padding: 14px 16px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: white;
    font-size: 16px;
    outline: none;
    transition: all 0.3s ease;
}

.input-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
    background: rgba(0, 0, 0, 0.3);
}

/* Buttons */
button {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

button[type="submit"] {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
    margin-top: 10px;
}

button[type="submit"]:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

button[type="submit"]:active {
    transform: translateY(0);
}

.secondary-btn {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--glass-border);
    margin-top: 20px;
}

.secondary-btn:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Error Message */
.error-message {
    color: var(--error);
    font-size: 14px;
    text-align: center;
    margin-bottom: 15px;
    min-height: 20px;
}

/* Spinner */
.spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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

/* Codes Display */
.codes-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.code-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
    animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    opacity: 0;
    transform: translateY(20px);
}

.code-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary);
}

.code-card:nth-child(1) { animation-delay: 0.1s; border-color: rgba(99, 102, 241, 0.3); }
.code-card:nth-child(2) { animation-delay: 0.2s; opacity: 0.7; }
.code-card:nth-child(3) { animation-delay: 0.3s; opacity: 0.5; }

.code-card:nth-child(1)::before { background: var(--success); }
.code-card:nth-child(2)::before { background: #eab308; }
.code-card:nth-child(3)::before { background: #94a3b8; }

.code-value {
    font-size: 32px; /* Varsayılan değer, aşağıda ezilecek */
    font-weight: 700;
    letter-spacing: 4px;
    color: white;
}

.code-card:nth-child(1) .code-value { font-size: 40px; letter-spacing: 6px; }
.code-card:nth-child(2) .code-value { font-size: 28px; }
.code-card:nth-child(3) .code-value { font-size: 20px; letter-spacing: 2px; }

.code-label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 5px;
}

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Progress Bar */
.progress-wrapper {
    margin-bottom: 25px;
}

.progress-text {
    font-size: 13px;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 8px;
}

.progress-container {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    width: 100%;
    background: linear-gradient(90deg, var(--primary), var(--success));
    border-radius: 10px;
}

@keyframes progressAnim {
    from { width: 100%; }
    to { width: 0%; }
}

.progress-bar.animate {
    animation: progressAnim 10s linear infinite;
}