@import url('https://fonts.googleapis.com/css2?family=Mukta:wght@400;500;600;700;800&family=Noto+Sans+Devanagari:wght@400;500;600;700;800&family=Outfit:wght@400;500;600;700;800&display=swap');

/* @font-face declarations for Akruti Fonts */
@font-face {
    font-family: 'Akruti';
    src: local('Akruti Dev Priya'),
         local('AkrutiDevPriya'),
         local('AkrutiDevPriyaNormal'),
         local('Akruti'),
         local('AkrutiDev01'),
         url('../fonts/AKDNPM.TTF') format('truetype'),
         url('fonts/AKDNPM.TTF') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'AkrutiBold';
    src: local('Akruti Dev Priya Bold'),
         local('AkrutiDevPriyaBold'),
         url('../fonts/AKDNPB.TTF') format('truetype'),
         url('fonts/AKDNPB.TTF') format('truetype');
    font-weight: bold;
    font-style: normal;
    font-display: swap;
}

:root {
    --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --secondary-gradient: linear-gradient(135deg, #059669 0%, #10b981 100%);
    --accent-gradient: linear-gradient(135deg, #0284c7 0%, #2563eb 100%);
    --card-bg-light: rgba(255, 255, 255, 0.96);
    --card-border-light: rgba(226, 232, 240, 0.95);
    --body-bg-light: #f1f5f9;
    --text-primary-light: #0f172a;
    --pane-bg-light: #ffffff;
    
    --card-bg-dark: rgba(15, 23, 42, 0.95);
    --card-border-dark: rgba(51, 65, 85, 0.9);
    --body-bg-dark: #090d16;
    --text-primary-dark: #f8fafc;
    --pane-bg-dark: #131c2e;
}

[data-bs-theme="dark"] {
    body {
        background-color: var(--body-bg-dark);
        color: var(--text-primary-dark);
    }
    .converter-card {
        background: var(--card-bg-dark) !important;
        border-color: var(--card-border-dark) !important;
        box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5) !important;
    }
    .pane-card {
        background: var(--pane-bg-dark) !important;
        border-color: rgba(51, 65, 85, 0.8) !important;
    }
    .preview-box {
        background: rgba(15, 23, 42, 0.8) !important;
        border-color: rgba(51, 65, 85, 0.8) !important;
    }
    .control-bar {
        background: rgba(30, 41, 59, 0.6) !important;
        border-color: rgba(51, 65, 85, 0.6) !important;
    }
    textarea.form-control {
        background-color: #0b1120 !important;
        color: #f8fafc !important;
        border-color: #334155 !important;
    }
    textarea.form-control:focus {
        border-color: #818cf8 !important;
        box-shadow: 0 0 0 4px rgba(129, 140, 248, 0.2) !important;
    }
    .badge-counter {
        background: rgba(30, 41, 59, 0.9) !important;
        color: #94a3b8 !important;
        border-color: #334155 !important;
    }
}

body {
    font-family: 'Outfit', 'Noto Sans Devanagari', 'Mukta', sans-serif;
    background-color: var(--body-bg-light);
    color: var(--text-primary-light);
    min-height: 100vh;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Akruti Font Utility Classes */
.akruti-font {
    font-family: 'Akruti', sans-serif !important;
    line-height: 1.65;
    letter-spacing: 0.2px;
}

.akruti-bold {
    font-family: 'AkrutiBold', sans-serif !important;
}

/* Unicode Devanagari Font Utility Class */
.unicode-font {
    font-family: 'Noto Sans Devanagari', 'Mukta', 'Arial Unicode MS', sans-serif !important;
    line-height: 1.75;
    letter-spacing: 0.1px;
}

/* Brand Header Styling */
.header-brand {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.sub-header {
    letter-spacing: 0.3px;
}

/* Converter Main Card */
.converter-card {
    background: var(--card-bg-light);
    border: 1px solid var(--card-border-light);
    border-radius: 24px;
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(16px);
    transition: all 0.3s ease;
}

/* Control Bar */
.control-bar {
    background: rgba(248, 250, 252, 0.85);
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 18px;
    padding: 16px 20px;
    transition: all 0.3s ease;
}

/* Direction Tab Segmented Buttons */
.mode-segmented-btn {
    border-radius: 12px;
    font-weight: 600;
    font-size: 14px;
    padding: 8px 16px;
    transition: all 0.2s ease;
}

/* Pane Cards (Input & Output Boxes) */
.pane-card {
    background: var(--pane-bg-light);
    border: 1.5px solid rgba(226, 232, 240, 0.9);
    border-radius: 18px;
    padding: 16px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: all 0.25s ease;
}

.pane-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    border-color: rgba(99, 102, 241, 0.4);
}

.pane-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px dashed rgba(203, 213, 225, 0.6);
}

/* Textarea Design */
textarea.form-control {
    border-radius: 12px;
    border: 1.5px solid rgba(203, 213, 225, 0.8);
    resize: vertical;
    min-height: 280px;
    font-size: 18px;
    padding: 16px 18px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    flex-grow: 1;
}

textarea.form-control:focus {
    border-color: #6366f1;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

/* Action Buttons */
.btn-gradient-primary {
    background: var(--primary-gradient);
    border: none;
    color: #ffffff;
    font-weight: 700;
    border-radius: 12px;
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
    transition: all 0.2s ease;
}

.btn-gradient-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.45);
    color: #ffffff;
}

.btn-gradient-success {
    background: var(--secondary-gradient);
    border: none;
    color: #ffffff;
    font-weight: 700;
    border-radius: 12px;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
    transition: all 0.2s ease;
}

.btn-gradient-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.45);
    color: #ffffff;
}

/* WhatsApp & Telegram Branded Buttons */
.btn-whatsapp {
    background-color: #25D366 !important;
    border-color: #25D366 !important;
    color: #ffffff !important;
    font-weight: 600;
    transition: all 0.2s ease;
}
.btn-whatsapp:hover {
    background-color: #1eb857 !important;
    border-color: #1eb857 !important;
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
}

.btn-telegram {
    background-color: #229ED9 !important;
    border-color: #229ED9 !important;
    color: #ffffff !important;
    font-weight: 600;
    transition: all 0.2s ease;
}
.btn-telegram:hover {
    background-color: #1b86ba !important;
    border-color: #1b86ba !important;
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(34, 158, 217, 0.4);
}

/* Share Banner Card */
.share-banner-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

[data-bs-theme="dark"] .share-banner-card {
    background: #1e293b !important;
    border-color: #334155 !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3) !important;
}

/* Quick Tool Buttons */
.btn-tool {
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    padding: 4px 12px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: all 0.2s ease;
}

.btn-tool:hover {
    transform: translateY(-1px);
}

/* Stats Counter Badge */
.badge-counter {
    background: #f8fafc;
    color: #475569;
    border: 1px solid #e2e8f0;
    font-weight: 600;
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 20px;
}

/* Preview Box */
.preview-box {
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 14px;
    padding: 16px 20px;
    font-size: 20px;
    min-height: 70px;
    display: flex;
    align-items: center;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02);
}

/* Fullscreen Focus Mode */
.fullscreen-editor {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    z-index: 9999 !important;
    padding: 20px !important;
    background: var(--body-bg-light) !important;
    overflow-y: auto !important;
}

[data-bs-theme="dark"] .fullscreen-editor {
    background: var(--body-bg-dark) !important;
}

.fullscreen-editor textarea.form-control {
    min-height: calc(100vh - 240px) !important;
}

/* Toast Notifications */
.toast-container {
    z-index: 1080;
}

/* Floating copy ripple animation */
@keyframes copyPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.copy-success-pulse {
    animation: copyPulse 0.3s ease-in-out;
}