/* ===================================================================
   UNIX-MED DESIGN SYSTEM & THEME
   Modern, Premium Healthcare UI Design System
   =================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    /* Primary Brand Colors */
    --primary: #4f46e5;
    --primary-light: #6366f1;
    --primary-dark: #3730a3;
    --primary-50: #eef2ff;
    --primary-100: #e0e7ff;
    --primary-500: #6366f1;
    --primary-600: #4f46e5;
    --primary-700: #4338ca;
    
    /* Secondary & Accent Colors */
    --accent-cyan: #06b6d4;
    --accent-teal: #14b8a6;
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;
    --accent-rose: #f43f5e;
    --accent-violet: #8b5cf6;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
    --gradient-accent: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-danger: linear-gradient(135deg, #f43f5e 0%, #e11d48 100%);
    --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.85) 100%);
    --gradient-mesh: radial-gradient(at 0% 0%, rgba(79, 70, 229, 0.08) 0px, transparent 50%),
                     radial-gradient(at 100% 0%, rgba(6, 182, 212, 0.08) 0px, transparent 50%),
                     radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.05) 0px, transparent 50%),
                     radial-gradient(at 0% 100%, rgba(139, 92, 246, 0.06) 0px, transparent 50%);
    
    /* Backgrounds & Surfaces */
    --bg-page: #f1f5f9;
    --bg-surface: #ffffff;
    --bg-surface-glass: rgba(255, 255, 255, 0.82);
    --bg-surface-glass-dark: rgba(15, 23, 42, 0.85);
    --bg-subtle: #f8fafc;
    --bg-hover: #f1f5f9;
    
    /* Typography Colors */
    --text-heading: #0f172a;
    --text-body: #334155;
    --text-muted: #64748b;
    --text-subtle: #94a3b8;
    --text-inverse: #ffffff;
    
    /* Borders & Dividers */
    --border-light: rgba(226, 232, 240, 0.8);
    --border-glass: rgba(255, 255, 255, 0.6);
    --border-focus: #4f46e5;
    
    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-sm: 0 2px 8px -2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 20px 35px -8px rgba(15, 23, 42, 0.12), 0 10px 15px -7px rgba(15, 23, 42, 0.05);
    --shadow-xl: 0 25px 50px -12px rgba(15, 23, 42, 0.18);
    --shadow-glow: 0 10px 25px -4px rgba(79, 70, 229, 0.35);
    --shadow-glow-cyan: 0 10px 25px -4px rgba(6, 182, 212, 0.35);
    --shadow-glow-emerald: 0 10px 25px -4px rgba(16, 185, 129, 0.35);
    
    /* Border Radii */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;
    
    /* Typography */
    --font-sans: 'Plus Jakarta Sans', 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ===================================================================
   BASE & RESET
   =================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-sans);
    -webkit-tap-highlight-color: transparent;
}

html {
    scroll-behavior: smooth;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: var(--bg-page);
    background-image: var(--gradient-mesh);
    background-attachment: fixed;
    color: var(--text-body);
    font-size: 15px;
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: rgba(241, 245, 249, 0.7);
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* ===================================================================
   ANIMATION KEYFRAMES
   =================================================================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeScaleIn {
    from {
        opacity: 0;
        transform: scale(0.96) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

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

@keyframes slideUpIn {
    from {
        opacity: 0;
        transform: translateY(25px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes floatGently {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(79, 70, 229, 0.4);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(79, 70, 229, 0);
    }
}

@keyframes livePulseDot {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 7px rgba(16, 185, 129, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

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

/* ===================================================================
   UTILITY & COMPONENT CLASSES
   =================================================================== */

/* Glass Panel */
.glass-panel {
    background: var(--bg-surface-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

/* Modern Card */
.modern-card {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.modern-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(99, 102, 241, 0.25);
}

/* Interactive Buttons */
.btn-modern {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    position: relative;
    user-select: none;
}

.btn-modern:active {
    transform: scale(0.98);
}

.btn-primary-gradient {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary-gradient:hover {
    box-shadow: 0 12px 28px -4px rgba(79, 70, 229, 0.5);
    transform: translateY(-2px);
    filter: brightness(1.05);
}

/* Status Badges */
.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.2px;
}

.badge-pending {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}

.badge-accepted, .badge-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.badge-rejected, .badge-danger {
    background: #ffe4e6;
    color: #9f1239;
    border: 1px solid #fecdd3;
}

.badge-role-doctor {
    background: #ede9fe;
    color: #5b21b6;
    border: 1px solid #ddd6fe;
}

.badge-role-patient {
    background: #e0f2fe;
    color: #0369a1;
    border: 1px solid #bae6fd;
}

/* Pulse indicator dot */
.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--accent-emerald);
    display: inline-block;
    animation: livePulseDot 2s infinite;
}

/* Modern Form Inputs */
.modern-input {
    width: 100%;
    padding: 13px 16px;
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius-md);
    background: #ffffff;
    font-size: 15px;
    color: var(--text-heading);
    transition: all var(--transition-base);
    outline: none;
}

.modern-input:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.12);
    background: #ffffff;
}

.modern-input::placeholder {
    color: var(--text-subtle);
}

/* Modern Toast Message */
.modern-toast {
    padding: 14px 20px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideDownIn var(--transition-bounce) both;
    box-shadow: var(--shadow-md);
    border: 1px solid transparent;
}

.modern-toast.success {
    background: #ecfdf5;
    color: #065f46;
    border-color: #a7f3d0;
}

.modern-toast.error {
    background: #fff1f2;
    color: #9f1239;
    border-color: #fecdd3;
}