/* ==========================================================================
   Hemşirelik Bakım Rehberim - Main Design System & Typography
   ========================================================================== */

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

:root {
    /* Main Color Palette - Medical Fresh White, Emerald & Ice Blue */
    --primary: #059669;          /* Emerald / Medical Green 600 */
    --primary-hover: #047857;    /* Emerald 700 */
    --primary-light: #ecfdf5;    /* Emerald 50 - soft green light bg */
    --primary-glow: rgba(5, 150, 105, 0.15);

    --secondary: #0ea5e9;        /* Sky / Ice Blue 500 */
    --secondary-hover: #0284c7;  /* Sky / Ice Blue 600 */
    --secondary-light: #e0f2fe;  /* Ice Blue 100 - soft ice blue light bg */

    --accent: #38bdf8;           /* Ice Blue Accent */
    --accent-ice: #e0f2fe;

    --bg-dark: #f8fafc;          /* Canvas Background - Soft Off-White */
    --bg-card: #ffffff;          /* Card Background - Pure White */
    --bg-card-hover: #f8fafc;    /* Card Hover Background */

    --text-primary: #0f172a;     /* Slate 900 - High Contrast Sharp Text */
    --text-secondary: #334155;   /* Slate 700 */
    --text-muted: #64748b;       /* Slate 500 */

    --border: #e2e8f0;
    --border-light: rgba(15, 23, 42, 0.08);

    /* Alert / Status Colors */
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.12);
    --warning: #d97706;
    --warning-bg: rgba(217, 119, 6, 0.12);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.12);
    --info: #0284c7;
    --info-bg: rgba(2, 132, 199, 0.12);

    /* Radii & Shadows */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    --shadow-sm: 0 2px 6px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 20px 35px -10px rgba(15, 23, 42, 0.12);
    --shadow-glow: 0 0 20px rgba(14, 165, 233, 0.18);

    --font-heading: 'Plus Jakarta Sans', -apple-system, sans-serif;
    --font-body: 'Inter', -apple-system, sans-serif;
}

/* Primary Clean White Theme Variables */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Background Glowing Elements */
body::before {
    content: '';
    position: fixed;
    top: -100px;
    right: -100px;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.08) 0%, rgba(0,0,0,0) 70%);
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed;
    bottom: -100px;
    left: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(5, 150, 105, 0.08) 0%, rgba(0,0,0,0) 70%);
    pointer-events: none;
    z-index: 0;
}

/* Container */
.app-container {
    max-width: 1320px;
    width: 95%;
    margin: 0 auto;
    padding: 20px 0 60px 0;
    position: relative;
    z-index: 1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

h1 { font-size: 2.2rem; }
h2 { font-size: 1.65rem; }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.1rem; }

p {
    color: var(--text-secondary);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-light);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.92rem;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
    user-select: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: #fff;
    box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(13, 148, 136, 0.4);
}

.btn-secondary {
    background-color: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--border);
}

.btn-secondary:hover {
    background-color: #475569;
    color: #fff;
    transform: translateY(-1px);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline:hover {
    background-color: var(--primary-glow);
}

.btn-danger {
    background-color: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.84rem;
    border-radius: 6px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1.05rem;
    border-radius: var(--radius-md);
}

/* Header & Nav */
.app-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 2px solid var(--secondary-light);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 14px 0;
    box-shadow: 0 4px 15px rgba(15, 23, 42, 0.03);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 46px;
    height: 46px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.app-logo-img {
    width: 54px;
    height: 54px;
    object-fit: cover;
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(13, 148, 136, 0.5), 0 0 8px rgba(59, 130, 246, 0.3);
    border: 2px solid rgba(94, 234, 212, 0.6);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
}

.app-logo-img:hover {
    transform: scale(1.1) rotate(4deg);
    box-shadow: 0 0 25px rgba(13, 148, 136, 0.8);
}


.brand-text h1 {
    font-size: 1.35rem;
    line-height: 1.1;
    color: var(--text-primary);
}

.brand-text p {
    font-size: 0.76rem;
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Animated ECG Heart Rhythm Badge */
.ecg-pulse-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(13, 148, 136, 0.15);
    border: 1px solid rgba(13, 148, 136, 0.4);
    color: #5eead4;
    padding: 3px 8px;
    border-radius: var(--radius-full);
    margin-left: 8px;
    box-shadow: 0 0 10px rgba(13, 148, 136, 0.25);
    vertical-align: middle;
}


.ecg-svg {
    width: 36px;
    height: 14px;
    color: #10b981;
    filter: drop-shadow(0 0 4px #10b981);
}

.ecg-path {
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    animation: ecgStroke 2.2s infinite linear;
}

@keyframes ecgStroke {
    0% { stroke-dashoffset: 200; }
    50% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -200; }
}



/* Nav Tabs */
.nav-tabs {
    display: flex;
    gap: 6px;
    background-color: #f1f5f9;
    padding: 5px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.nav-tab {
    padding: 9px 16px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--text-secondary);
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-tab:hover {
    color: var(--text-primary);
    background-color: #e2e8f0;
}

.nav-tab.active {
    background-color: var(--primary);
    color: #fff;
    box-shadow: 0 4px 12px var(--primary-glow);
}

/* Tab Views Container */
.tab-content {
    display: none;
    opacity: 0;
    will-change: opacity;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.2s ease-out forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Hero Section */
.hero-card {
    background: linear-gradient(135deg, #ffffff, #f0f9ff);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.hero-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(13, 148, 136, 0.1));
    pointer-events: none;
}

.hero-text {
    max-width: 680px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: var(--primary-glow);
    color: var(--primary);
    border: 1px solid rgba(13, 148, 136, 0.3);
    padding: 5px 14px;
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 14px;
}

.hero-text h2 {
    font-size: 2rem;
    margin-bottom: 12px;
}

.hero-text p {
    font-size: 1.02rem;
    margin-bottom: 24px;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Responsive */
/* Responsive Navigation & Mobile Support */
@media (max-width: 900px) {
    .header-content {
        flex-direction: column;
        gap: 14px;
        text-align: center;
    }
    .brand-text h1 {
        font-size: 1.15rem;
    }
    .nav-tabs {
        width: 100%;
        overflow-x: auto;
        white-space: nowrap;
        padding-bottom: 6px;
        -webkit-overflow-scrolling: touch;
        justify-content: flex-start;
        scroll-behavior: smooth;
    }
    .nav-tab {
        padding: 8px 12px;
        font-size: 0.82rem;
        flex-shrink: 0;
        touch-action: manipulation;
    }
    .hero-card {
        padding: 22px 18px;
        flex-direction: column;
        text-align: center;
    }
    .hero-text h2 {
        font-size: 1.45rem;
    }
    .hero-actions {
        justify-content: center;
        width: 100%;
    }
    .hero-actions .btn {
        width: 100%;
    }
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    .modal-card {
        width: 95%;
        padding: 18px;
    }
    .stepper-container {
        overflow-x: auto;
        padding-bottom: 8px;
        -webkit-overflow-scrolling: touch;
    }
    .step-item {
        flex-shrink: 0;
        min-width: 110px;
    }
}

@media (max-width: 480px) {
    .app-container {
        width: 98%;
        padding: 10px 4px 80px 4px;
    }
    .card {
        padding: 16px;
    }
    .btn-lg {
        padding: 12px 18px;
        font-size: 0.95rem;
    }
    .stats-bar {
        grid-template-columns: 1fr;
    }
}

/* Floating Side Contact Drawer / Arrow Widget */
.floating-contact-drawer {
    position: fixed;
    bottom: 35px;
    left: 0;
    z-index: 990;
    display: flex;
    align-items: center;
    transform: translateX(-100%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    filter: drop-shadow(0 4px 14px rgba(13, 148, 136, 0.3));
}

.floating-contact-drawer.expanded {
    transform: translateX(0);
}

/* Enable hover expansion only on desktop devices with mouse pointer */
@media (hover: hover) and (pointer: fine) {
    .floating-contact-drawer:hover {
        transform: translateX(0);
    }
    .floating-contact-drawer:hover .drawer-arrow {
        transform: rotate(180deg);
    }
}

.drawer-toggle-btn {
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #ffffff !important;
    border: none;
    padding: 10px 10px 10px 8px;
    border-radius: 0 18px 18px 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.88rem;
    font-weight: 700;
    box-shadow: 3px 2px 10px rgba(0, 0, 0, 0.15);
    white-space: nowrap;
    outline: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.drawer-toggle-btn:hover {
    background: linear-gradient(135deg, var(--primary-hover), var(--secondary-hover));
    color: #ffffff !important;
}

.drawer-arrow {
    font-size: 0.95rem;
    line-height: 1;
    transition: transform 0.3s ease;
    display: inline-block;
}

.floating-contact-drawer.expanded .drawer-arrow {
    transform: rotate(180deg);
}

.drawer-icon {
    font-size: 1.05rem;
}

.drawer-content-btn {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #ffffff !important;
    border: none;
    padding: 11px 18px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.88rem;
    cursor: pointer;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 8px;
    border-radius: 0 20px 20px 0;
    box-shadow: 0 4px 16px rgba(13, 148, 136, 0.35);
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

.drawer-content-btn:hover {
    background: linear-gradient(135deg, var(--primary-hover), var(--secondary-hover));
    color: #ffffff !important;
}


/* ==========================================================================
   Toast Notification System
   ========================================================================== */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--primary);
    box-shadow: var(--shadow-lg), 0 0 15px var(--primary-glow);
    padding: 12px 20px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    pointer-events: auto;
    animation: toastIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

.toast.toast-success { border-color: var(--success); }
.toast.toast-danger { border-color: var(--danger); }
.toast.toast-info { border-color: var(--info); }

@keyframes toastIn {
    from { opacity: 0; transform: translateY(20px) scale(0.9); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toastOut {
    from { opacity: 1; transform: translateY(0) scale(1); }
    to { opacity: 0; transform: translateY(10px) scale(0.95); }
}

/* ==========================================================================
   Command Palette / Global Quick Search Modal (Ctrl + K)
   ========================================================================== */
.cmd-palette-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 80px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

.cmd-palette-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.cmd-palette-card {
    background-color: var(--bg-card);
    border: 1px solid var(--primary-glow);
    box-shadow: var(--shadow-lg), 0 0 35px rgba(13, 148, 136, 0.2);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 650px;
    overflow: hidden;
    transform: translateY(-20px) scale(0.97);
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.cmd-palette-backdrop.active .cmd-palette-card {
    transform: translateY(0) scale(1);
}

.cmd-search-box {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    gap: 12px;
}

.cmd-search-icon {
    font-size: 1.2rem;
    color: var(--primary);
}

.cmd-search-input {
    width: 100%;
    background: transparent;
    border: none;
    outline: none;
    font-family: var(--font-heading);
    font-size: 1.05rem;
    color: var(--text-primary);
}

.cmd-search-input::placeholder {
    color: var(--text-muted);
}

.cmd-kbd-badge {
    background: var(--bg-card-hover);
    border: 1px solid var(--border);
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.cmd-results-list {
    max-height: 380px;
    overflow-y: auto;
    padding: 8px;
}

.cmd-result-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color 0.15s ease;
    margin-bottom: 4px;
}

.cmd-result-item:hover, .cmd-result-item.selected {
    background-color: var(--primary-glow);
}

.cmd-result-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.cmd-result-icon {
    font-size: 1.2rem;
}

.cmd-result-title {
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--text-primary);
}

.cmd-result-sub {
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.cmd-result-type {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    background: var(--bg-card-hover);
    color: var(--primary-light);
}

/* ==========================================================================
   Stats Bar (Homepage)
   ========================================================================== */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 28px;
}

@media (max-width: 768px) {
    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
    }
}

.stat-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: transform 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
}

.stat-icon-wrapper {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background-color: var(--primary-glow);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.stat-number {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--text-primary);
    line-height: 1.1;
}

.stat-label {
    font-size: 0.78rem;
    color: var(--text-secondary);
}

/* ==========================================================================
   App Footer
   ========================================================================== */
.app-footer {
    background: #f1f5f9;
    border-top: 1px solid var(--border);
    padding: 40px 0 24px 0;
    margin-top: 60px;
    color: var(--text-secondary);
    font-size: 0.88rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
}

.footer-brand h3 {
    color: var(--text-primary);
    margin-bottom: 8px;
}

.footer-brand p {
    font-size: 0.85rem;
    margin-bottom: 12px;
}

.footer-col h4 {
    color: var(--text-primary);
    font-size: 0.95rem;
    margin-bottom: 12px;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: var(--text-secondary);
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-bottom {
    border-top: 1px solid var(--border-light);
    padding-top: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
    flex-wrap: wrap;
    gap: 10px;
}