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

:root {
    --bg-gradient: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.4);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
    --text-primary: #1a1f36;
    --text-secondary: #697386;
    --accent-color: #3c4fe0;
    --accent-rgb: 60, 79, 224;
    --input-bg: rgba(255, 255, 255, 0.6);
    --input-border: rgba(0,0,0,0.1);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
}

[data-theme="white-blue"] {
    --bg-gradient: linear-gradient(120deg, #a1c4fd 0%, #c2e9fb 100%);
    --glass-bg: rgba(255, 255, 255, 0.85);
    --accent-color: #2b5797;
    --accent-rgb: 43, 87, 151;
}

[data-theme="dark-blue"] {
    --bg-gradient: linear-gradient(120deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
    --glass-bg: rgba(16, 26, 35, 0.85);
    --glass-border: rgba(255, 255, 255, 0.08);
    --text-primary: #ecf0f1;
    --text-secondary: #bdc3c7;
    --input-bg: rgba(0, 0, 0, 0.3);
    --input-border: rgba(255, 255, 255, 0.1);
    --accent-color: #3498db;
    --accent-rgb: 52, 152, 219;
}

@keyframes bgMove {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.bg-animation {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -1;
    background: var(--bg-gradient);
    background-size: 400% 400%;
    animation: bgMove 20s ease infinite;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

.studio-navbar {
    height: 70px;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    position: fixed; top: 0; width: 100%; z-index: 100;
    display: flex; align-items: center;
}

.brand-icon {
    width: 36px; height: 36px;
    background: var(--accent-color);
    color: white;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 10px rgba(var(--accent-rgb), 0.4);
}
.brand-text { font-weight: 700; font-size: 1.1rem; letter-spacing: -0.5px; }

.usage-pill {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    gap: 10px;
    cursor: pointer;
    transition: all 0.2s;
}
.usage-pill:hover { border-color: var(--accent-color); }
.usage-pill .sep { opacity: 0.3; }
.text-accent { color: var(--accent-color) !important; }

.theme-toggles { display: flex; gap: 8px; }
.theme-dot {
    width: 20px; height: 20px; border-radius: 50%;
    cursor: pointer; border: 2px solid rgba(255,255,255,0.3);
    transition: transform 0.2s;
}
.theme-dot:hover { transform: scale(1.2); }
[data-theme="white-blue"] .theme-dot[title="Aydınlık Mod"] { background: #2b5797; box-shadow: 0 0 0 2px white; }
[data-theme="dark-blue"] .theme-dot[title="Karanlık Mod"] { background: #3498db; box-shadow: 0 0 0 2px white; }

.studio-wrapper {
    margin-top: 70px;
    height: calc(100vh - 70px);
    padding: 2rem;
}

.canvas-card, .settings-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    overflow: hidden;
}

.canvas-card { height: 100%; transition: transform 0.3s; }
.settings-card { height: auto; }

.studio-input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    padding: 2rem;
    font-size: 1.25rem;
    line-height: 1.6;
    outline: none;
    resize: none;
}
.studio-input::placeholder { color: var(--text-secondary); opacity: 0.5; }

.canvas-footer {
    background: var(--glass-bg);
    border-top: 1px solid var(--glass-border);
}

.btn-generate {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-rgb));
    background-color: var(--accent-color);
    border: none;
    box-shadow: 0 4px 15px rgba(var(--accent-rgb), 0.4);
    transition: all 0.3s;
    font-weight: 600;
    letter-spacing: 0.5px;
}
.btn-generate:hover {
    background-color: var(--accent-color);
    filter: brightness(1.1);
}

.setting-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: block;
}

.studio-select {
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: 10px 15px;
    cursor: pointer;
    font-weight: 500;
}
.studio-select:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.2);
    outline: none;
}
option { background-color: var(--card-bg); color: var(--text-primary); }

.studio-range {
    height: 6px;
    background: var(--input-border);
    border-radius: 5px;
    outline: none;
}
.studio-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px; height: 18px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    transition: transform 0.1s;
}
.studio-range::-webkit-slider-thumb:hover { transform: scale(1.2); }

.val-badge {
    background: var(--accent-color);
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 700;
}

.result-bar {
    background: var(--accent-color);
    border-radius: var(--radius-md);
    padding: 10px 20px;
    color: white;
    box-shadow: 0 10px 30px rgba(var(--accent-rgb), 0.4);
    animation: slideUp 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.play-icon { font-size: 1.5rem; }

.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; }
.pricing-card {
    background: var(--input-bg);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}
.pricing-card:hover { border-color: var(--text-secondary); }
.pricing-card.selected {
    border-color: var(--accent-color);
    background: rgba(var(--accent-rgb), 0.05);
    box-shadow: none; 
}
.pricing-title { font-weight: 800; font-size: 1.2rem; margin-bottom: 0.5rem; }
.pricing-req { font-size: 1.8rem; font-weight: 900; color: var(--accent-color); margin-bottom: 1rem; }

.upgrade-card {
    background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.1), rgba(var(--accent-rgb), 0.05));
    border: 1px dashed var(--accent-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
}
.upgrade-card:hover { background: rgba(var(--accent-rgb), 0.15); }
.icon-box {
    width: 40px; height: 40px;
    background: var(--accent-color);
    color: white;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem;
}

.modal-content {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow); 
    color: var(--text-primary);
}
.modal-header { border-bottom: 1px solid var(--glass-border); }
.btn-close { filter: invert(0.5); }

.studio-footer {
    position: fixed; bottom: 10px; right: 20px;
    background: var(--glass-bg);
    padding: 8px 15px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    font-size: 0.8rem;
    z-index: 1000;
    box-shadow: var(--glass-shadow);
    color: var(--text-secondary);
}
.studio-footer a { color: var(--accent-color); font-weight: 600; text-decoration: none; }
.studio-footer a:hover { text-decoration: underline; }

@media (max-width: 992px) {
    .studio-wrapper { height: auto; padding: 1rem; margin-top: 70px; }
    .col-lg-8, .col-lg-4 { height: auto; }
    .canvas-card { min-height: 400px; }
    .usage-pill { display: none; }
    .studio-footer { right: 50%; transform: translateX(50%); width: max-content; bottom: 5px; }
}