/* ==========================================
   CSS Custom Properties & Variables
   ========================================== */
:root {
    /* Colors */
    --color-primary: #10b981;
    --color-primary-dark: #059669;
    --color-primary-light: #34d399;
    --color-secondary: #8b5cf6;
    --color-accent: #f59e0b;

    --color-bg-dark: #0f172a;
    --color-bg-darker: #020617;
    --color-bg-card: rgba(30, 41, 59, 0.7);
    --color-bg-input: rgba(15, 23, 42, 0.8);

    --color-text-primary: #f1f5f9;
    --color-text-secondary: #cbd5e1;
    --color-text-muted: #94a3b8;

    --color-border: rgba(148, 163, 184, 0.2);
    --color-error: #ef4444;
    --color-success: #10b981;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(16, 185, 129, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 400ms ease-in-out;
}

/* ==========================================
   Reset & Base Styles
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--color-bg-darker);
    color: var(--color-text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

.endora-panel,
.endora-panel bottom {
    top: 0 !important;
    left: 0 !important;
}


a {
    text-decoration: none;
    color: inherit;
}

/* ==========================================
   Background & Layout
   ========================================== */
.background-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 30%, rgba(16, 185, 129, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        linear-gradient(135deg, var(--color-bg-darker) 0%, var(--color-bg-dark) 100%);
    z-index: -1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
}

.app-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: var(--spacing-md);
    height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ==========================================
   Headers
   ========================================== */
.header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    margin-top: 50px;
    animation: fadeInDown 0.6s ease-out;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    margin-bottom: var(--spacing-md);
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.logo-small {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    font-size: 3rem;
    filter: drop-shadow(0 0 10px rgba(16, 185, 129, 0.5));
    animation: float 3s ease-in-out infinite;
}

.logo-icon-small {
    font-size: 1.5rem;
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-small h1 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.version {
    font-size: 1rem;
    opacity: 0.7;
    font-weight: 400;
}

.subtitle {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    font-weight: 300;
}

.back-link {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.back-link:hover {
    color: var(--color-primary);
}

/* ==========================================
   Home Menu Grid
   ========================================== */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.menu-card {
    background-color: #1e293b;
    /* Fallback */
    background: var(--color-bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    /* Ensure no underline */
    color: var(--color-text-primary);
}

.menu-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    border-color: var(--color-primary);
}

.primary-card {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-color: rgba(16, 185, 129, 0.3);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.card-content h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.card-content p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.card-arrow {
    position: absolute;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    font-size: 1.5rem;
    opacity: 0;
    transform: translateX(-10px);
    transition: all var(--transition-base);
    color: var(--color-primary);
}

.menu-card:hover .card-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* ==========================================
   Doctor Layout (Split Screen)
   ========================================== */
.doctor-layout {
    display: flex;
    gap: var(--spacing-lg);
    flex: 1;
    overflow: hidden;
}

.doctor-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    overflow-y: auto;
    padding-right: var(--spacing-md);
    /* Increased padding to separate content from scrollbar */
}

.left-panel {
    flex: 0 0 33.33%;
}

.right-panel {
    flex: 0 0 66.67%;
}

/* Scrollbar Styling */
.doctor-panel::-webkit-scrollbar {
    width: 6px;
}

.doctor-panel::-webkit-scrollbar-track {
    background: transparent;
    /* Transparent track to make scrollbar look floating */
}

.doctor-panel::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.doctor-panel::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}


/* ==========================================
   Cards
   ========================================== */
.card {
    background-color: #1e293b;
    /* Fallback */
    background: var(--color-bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-xl);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.input-card {
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.results-card {
    animation: fadeInUp 0.6s ease-out;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0;
    color: var(--color-text-primary);
}

/* ==========================================
   Form Styles
   ========================================== */
.form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-label {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.label-icon {
    font-size: 1.2rem;
}

.form-input {
    background: var(--color-bg-input);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1rem;
    color: var(--color-text-primary);
    font-family: inherit;
    transition: all var(--transition-base);
    outline: none;
}

.form-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
    transform: translateY(-1px);
}

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

.form-input:hover {
    border-color: var(--color-primary-light);
}

/* ==========================================
   Dimensions Group
   ========================================== */
.dimensions-group {
    background: rgba(16, 185, 129, 0.05);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.group-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-xs);
    color: var(--color-primary-light);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.dimensions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--spacing-md);
}

/* ==========================================
   Buttons
   ========================================== */
.btn-submit {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
    margin-top: var(--spacing-md);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.btn-submit:active {
    transform: translateY(0);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-icon {
    font-size: 1.3rem;
    animation: pulse 2s ease-in-out infinite;
}

/* ==========================================
   Chat Interface
   ========================================== */
.chat-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 500px;
    padding: 0;
    overflow: hidden;
}

.chat-header {
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.chat-avatar {
    font-size: 2rem;
    background: rgba(255, 255, 255, 0.1);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-info h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.chat-status {
    font-size: 0.85rem;
    color: var(--color-success);
    display: flex;
    align-items: center;
    gap: 4px;
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-success);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 5px var(--color-success);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.message {
    max-width: 80%;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    line-height: 1.5;
    animation: fadeIn 0.3s ease-out;
}

.user-message {
    align-self: flex-end;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    border-bottom-right-radius: 2px;
}

.system-message {
    align-self: flex-start;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    border-bottom-left-radius: 2px;
}

.chat-input-area {
    padding: var(--spacing-md);
    background: rgba(0, 0, 0, 0.2);
    border-top: 1px solid var(--color-border);
    display: flex;
    gap: var(--spacing-sm);
}

.chat-input {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-primary);
    font-family: inherit;
    resize: none;
    height: 50px;
    outline: none;
    transition: border-color var(--transition-fast);
}

.chat-input:focus {
    border-color: var(--color-primary);
}

.btn-send {
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-send:hover {
    background: var(--color-primary-dark);
    transform: scale(1.05);
}

/* ==========================================
   Results Section
   ========================================== */
.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.btn-close {
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.btn-close:hover {
    color: var(--color-error);
}

.result-section {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.result-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.result-section h3 {
    color: var(--color-primary-light);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.result-value {
    color: var(--color-accent);
    font-weight: 600;
}

/* ==========================================
   Loading & Error States
   ========================================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-bg-dark);
    /*background: rgba(255, 255, 255, 0.85);*/
    /* Světlejší pozadí pro svěží dojem */
    backdrop-filter: blur(8px);
    /* Větší blur pro moderní look */
    display: none;
    /* JS to přepne na flex */
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.3s ease-out;
}

/* Kontejner pro loader */
.plant-loader {
    width: 120px;
    /* Mírně zvětšeno pro lepší detail */
    height: 120px;
    margin-bottom: 1rem;
    position: relative;
}

/* SVG uvnitř */
.plant-loader svg {
    width: 100%;
    height: 100%;
    /* Celá květina se pomalu otáčí */
    animation: rotateWhole 15s linear infinite;
    /* Jemný stín pro hloubku */
    filter: drop-shadow(0px 4px 8px rgba(0, 0, 0, 0.15));
}

/* Skupina okvětních lístků dýchá */
.plant-loader .petals {
    transform-origin: 50px 50px;
    animation: breathe 3s ease-in-out infinite alternate;
}

/* Text pod animací - barva sladěná s obrázkem */
.loading-text {
    color: var(--color-primary);
    /* Tmavě zelená z obrázku */
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    /* Odstraněna pulzující animace textu pro čistší vzhled, 
       ale můžete ji vrátit zpět, pokud chcete */
}

/* --- Animace --- */

@keyframes rotateWhole {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes breathe {
    0% {
        transform: scale(0.85);
        opacity: 0.85;
    }

    100% {
        transform: scale(1.1);
        opacity: 1;
    }
}

@keyframes pulseText {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--color-error);
    color: #fca5a5;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    display: none;
    animation: shake 0.5s ease-in-out;
    position: relative;
}

.error-close {
    position: absolute;
    top: 5px;
    right: 10px;
    cursor: pointer;
    font-size: 1.2rem;
}

/* ==========================================
   Animations
   ========================================== */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-5px);
    }

    75% {
        transform: translateX(5px);
    }
}

/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 1024px) {
    .doctor-layout {
        flex-direction: column;
        overflow-y: auto;
    }

    .left-panel,
    .right-panel {
        flex: none;
        width: 100%;
    }

    .doctor-panel {
        padding-right: 0;
        overflow-y: visible;
    }
}

@media (max-width: 768px) {
    .header h1 {
        font-size: 2rem;
    }

    .menu-grid {
        grid-template-columns: 1fr;
    }

    .container {
        padding: var(--spacing-lg) var(--spacing-md);
    }
}

/* Footer */
.footer {
    text-align: center;
    padding: var(--spacing-md);
    margin-top: var(--spacing-2xl);
    color: var(--color-text-muted);
    font-size: 0.85rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.footer:hover {
    opacity: 1;
}

.footer a:hover {
    color: var(--color-primary);
    text-decoration: none;
}