/* ==========================================================================
   PromptStudio PRO - Master Stylesheet (Dark Mode & Glassmorphism)
   Palette: Dark Void (#0a0f1d), Deep Slate (#111827), Neon Cyan (#00f2fe),
            Amber Gold (#ffb703), Emerald Green (#00e676)
   ========================================================================== */

:root {
    --bg-dark: #0a0f1d;
    --bg-card: rgba(17, 24, 39, 0.75);
    --bg-card-border: rgba(255, 255, 255, 0.08);
    --bg-input: #151d30;
    
    --color-cyan: #00f2fe;
    --color-cyan-glow: rgba(0, 242, 254, 0.35);
    --color-warning: #ffb703;
    --color-warning-glow: rgba(255, 183, 3, 0.35);
    --color-success: #00e676;
    --color-success-glow: rgba(0, 230, 118, 0.35);

    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-dark);
    background-image: 
        radial-gradient(at 0% 0%, rgba(0, 242, 254, 0.06) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(0, 230, 118, 0.05) 0px, transparent 50%),
        radial-gradient(at 50% 50%, rgba(255, 183, 3, 0.03) 0px, transparent 50%);
    background-attachment: fixed;
    color: #e2e8f0;
    font-family: var(--font-body);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Typography */
h1, h2, h3, h4, h5, h6, .brand-text {
    font-family: var(--font-heading);
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-cyan) 0%, #4facfe 50%, var(--color-success) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Navbar */
.custom-navbar {
    background: rgba(10, 15, 29, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--bg-card-border);
}

.brand-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--color-cyan), #00c6ff);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #040914;
    font-size: 1.25rem;
    box-shadow: 0 0 15px var(--color-cyan-glow);
}

.brand-text {
    font-size: 1.35rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.5px;
}

.brand-badge {
    font-size: 0.65rem;
    background: var(--color-cyan);
    color: #040914;
    padding: 2px 6px;
    border-radius: 6px;
    margin-left: 6px;
    vertical-align: super;
}

.nav-link {
    color: #94a3b8 !important;
    font-weight: 500;
    transition: all 0.25s ease;
    border-radius: 8px;
    padding: 8px 14px;
}

.nav-link:hover, .nav-link.active {
    color: #ffffff !important;
    background: rgba(255, 255, 255, 0.05);
}

.text-cyan {
    color: var(--color-cyan) !important;
}

/* Cards & Glassmorphism */
.custom-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--bg-card-border);
    border-radius: 18px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    transition: border-color 0.3s ease;
}

.custom-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

/* Hero Section */
.hero-badge {
    background: rgba(255, 183, 3, 0.1);
    border: 1px solid rgba(255, 183, 3, 0.25);
    color: var(--color-warning);
    font-weight: 600;
}

.hero-title {
    letter-spacing: -1px;
}

/* Navigation Pills */
.custom-pills {
    background: rgba(15, 23, 42, 0.6);
    border-radius: 14px;
    padding: 4px;
}

.custom-pills .nav-link {
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
}

.custom-pills .nav-link.active {
    background: #1e293b !important;
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.pill-desc {
    font-size: 0.75rem;
    color: #64748b;
    display: block;
}

/* Custom Form Inputs */
.custom-input {
    background-color: var(--bg-input) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    color: #f1f5f9 !important;
    border-radius: 12px !important;
    padding: 10px 14px !important;
    font-size: 0.95rem;
    transition: all 0.25s ease;
}

.custom-input:focus {
    background-color: #1a243c !important;
    border-color: var(--color-cyan) !important;
    box-shadow: 0 0 12px var(--color-cyan-glow) !important;
    outline: none;
}

.custom-input::placeholder {
    color: #475569 !important;
}

/* Quick Chips */
.btn-chip {
    background: rgba(0, 242, 254, 0.08);
    border: 1px solid rgba(0, 242, 254, 0.2);
    color: #a5f3fc;
    font-size: 0.82rem;
    padding: 5px 12px;
    border-radius: 20px;
    transition: all 0.2s ease;
}

.btn-chip:hover, .btn-chip.active {
    background: var(--color-cyan);
    color: #040914;
    border-color: var(--color-cyan);
    box-shadow: 0 0 10px var(--color-cyan-glow);
}

.btn-chip-warning {
    background: rgba(255, 183, 3, 0.08);
    border: 1px solid rgba(255, 183, 3, 0.2);
    color: #fde68a;
    font-size: 0.82rem;
    padding: 5px 12px;
    border-radius: 20px;
    transition: all 0.2s ease;
}

.btn-chip-warning:hover, .btn-chip-warning.active {
    background: var(--color-warning);
    color: #040914;
    border-color: var(--color-warning);
    box-shadow: 0 0 10px var(--color-warning-glow);
}

.btn-chip-success {
    background: rgba(0, 230, 118, 0.08);
    border: 1px solid rgba(0, 230, 118, 0.2);
    color: #a7f3d0;
    font-size: 0.82rem;
    padding: 5px 12px;
    border-radius: 20px;
    transition: all 0.2s ease;
}

.btn-chip-success:hover, .btn-chip-success.active {
    background: var(--color-success);
    color: #040914;
    border-color: var(--color-success);
    box-shadow: 0 0 10px var(--color-success-glow);
}

/* Custom Buttons */
.btn-cyan {
    background: linear-gradient(135deg, var(--color-cyan), #00b4d8);
    color: #040914;
    border: none;
    border-radius: 12px;
    padding: 12px 20px;
    transition: all 0.25s ease;
}

.btn-cyan:hover {
    background: linear-gradient(135deg, #38ef7d, var(--color-cyan));
    color: #040914;
    box-shadow: 0 0 20px var(--color-cyan-glow);
    transform: translateY(-1px);
}

.btn-outline-cyan {
    border-color: var(--color-cyan);
    color: var(--color-cyan);
}

.btn-outline-cyan:hover {
    background: var(--color-cyan);
    color: #040914;
    box-shadow: 0 0 12px var(--color-cyan-glow);
}

/* Custom Switches */
.custom-switch:checked {
    background-color: var(--color-cyan) !important;
    border-color: var(--color-cyan) !important;
    box-shadow: 0 0 10px var(--color-cyan-glow) !important;
}

.custom-switch-warning:checked {
    background-color: var(--color-warning) !important;
    border-color: var(--color-warning) !important;
    box-shadow: 0 0 10px var(--color-warning-glow) !important;
}

/* Prompt Output Area */
.prompt-output {
    background-color: #090d16 !important;
    border: 1px dashed rgba(255, 255, 255, 0.15) !important;
    color: #38bdf8 !important;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.95rem;
    border-radius: 12px !important;
    padding: 14px !important;
    resize: none;
    line-height: 1.5;
}

.prompt-output:focus {
    box-shadow: none !important;
    border-color: var(--color-cyan) !important;
}

/* Toast Component */
.custom-toast {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    border: 1px solid var(--color-cyan) !important;
    color: #ffffff;
    border-radius: 14px;
    box-shadow: 0 10px 25px rgba(0, 242, 254, 0.25);
}

/* Modal Styling */
.custom-modal {
    background: #0f172a;
    border: 1px solid var(--bg-card-border);
    border-radius: 18px;
}

.history-item {
    background: #182238;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 14px;
    transition: all 0.2s ease;
}

.history-item:hover {
    border-color: var(--color-cyan);
}

/* Footer */
.custom-footer {
    background: rgba(10, 15, 29, 0.9);
    border-top: 1px solid var(--bg-card-border);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.tab-pane.active {
    animation: fadeIn 0.35s ease-out forwards;
}