/* IKAT Portal Core CSS Style Sheet */

/* Color Token Systems (Theme Swapping) */
:root {
    --bg-color: #f6f8fa;
    --text-color: #1a1a1a;
    --card-bg: #ffffff;
    --border-color: #e1e4e8;
    --topbar-bg: #0f172a;
    --sidebar-bg: #ffffff;
    --sidebar-text: #2f363d;
    --table-header-bg: #f6f8fa;
    --table-header-text: #2f363d;
    --table-row-bg: #ffffff;
    --table-row-border: #eaecef;
    --input-bg: #ffffff;
    --input-border: #d1d5da;
    --orange-accent: #ff9933;
    --orange-glow: rgba(255, 153, 51, 0.2);
    --transition-premium: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --alert-success-bg: #e6ffed;
    --alert-success-text: #147d3c;
    --alert-error-bg: #ffeef0;
    --alert-error-text: #d73a49;
    --shadow-premium: 0 4px 20px rgba(0, 0, 0, 0.05);
}

/* Dark Theme Selector (Default Mode) */
[data-theme="dark"], body.dark-theme {
    --bg-color: #101010;
    --text-color: #f8f8f8;
    --card-bg: #181818;
    --border-color: #3d2812;
    --topbar-bg: #050505;
    --sidebar-bg: #171717;
    --sidebar-text: #ffffff;
    --table-header-bg: #21160b;
    --table-header-text: #ffb366;
    --table-row-bg: #151515;
    --table-row-border: #2f241a;
    --input-bg: #0d0d0d;
    --input-border: #4a3929;
    --alert-success-bg: #11351f;
    --alert-success-text: #86efac;
    --alert-error-bg: #431515;
    --alert-error-text: #fecaca;
    --shadow-premium: 0 10px 30px rgba(0, 0, 0, 0.4);
}

body {
    margin: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    overflow-x: hidden;
    transition: background 0.4s ease, color 0.4s ease;
}

a {
    color: var(--orange-accent);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: #ffb366;
}

/* Top Navigation Bar */
.topbar {
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    background: var(--topbar-bg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 95;
    transition: background 0.4s ease, border-color 0.4s ease;
}

.brand {
    font-size: 22px;
    font-weight: 800;
}

.topbar nav {
    display: flex;
    align-items: center;
    gap: 18px;
}

/* Shell Layout */
.shell {
    max-width: 1280px;
    margin: 0 auto;
    padding: 24px;
}

.app {
    display: grid;
    grid-template-columns: 230px 1fr;
    gap: 24px;
}

/* Sidebar Nav */
.side {
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: var(--sidebar-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 14px;
    height: max-content;
    position: relative;
    transition: background 0.4s ease, border-color 0.4s ease, transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.side a {
    padding: 10px 12px;
    border-radius: 6px;
    color: var(--sidebar-text);
    font-weight: 500;
    position: relative;
    overflow: hidden;
    transition: var(--transition-premium);
}

/* Cards & Grid System */
.content {
    min-width: 0;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 18px;
    box-shadow: var(--shadow-premium);
    position: relative;
    transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 16px;
}

.stat {
    font-size: 34px;
    color: var(--orange-accent);
    font-weight: 800;
}

/* Buttons */
.btn, button {
    background: var(--orange-accent);
    color: #111;
    border: 0;
    border-radius: 6px;
    padding: 10px 14px;
    font-weight: 700;
    cursor: pointer;
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
}

.btn.danger, button.danger {
    background: #e64b3c;
    color: white;
}

.muted {
    color: #bdbdbd;
}

/* Alerts */
.alert {
    padding: 12px 14px;
    border-radius: 6px;
    margin-bottom: 16px;
}

.alert.success {
    background: var(--alert-success-bg);
    color: var(--alert-success-text);
    transition: background 0.4s ease, color 0.4s ease;
}

.alert.error {
    background: var(--alert-error-bg);
    color: var(--alert-error-text);
    transition: background 0.4s ease, color 0.4s ease;
}

/* Forms */
label {
    display: block;
    margin: 10px 0 6px;
}

input, select, textarea {
    width: 100%;
    box-sizing: border-box;
    padding: 10px;
    border-radius: 6px;
    border: 1px solid var(--input-border);
    background: var(--input-bg);
    color: var(--text-color);
    transition: var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
    border-color: var(--orange-accent);
    outline: none;
    box-shadow: 0 0 0 2px rgba(255, 153, 51, 0.25);
}

textarea {
    min-height: 95px;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    background: var(--table-row-bg);
    border-radius: 8px;
    overflow: hidden;
    transition: background 0.4s ease;
}

th, td {
    padding: 10px;
    border-bottom: 1px solid var(--table-row-border);
    text-align: left;
    vertical-align: top;
    transition: border-color 0.4s ease;
}

th {
    color: var(--table-header-text);
    background: var(--table-header-bg);
    transition: background 0.4s ease, color 0.4s ease;
}

.actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* Auth Pages Wrapper */
.login-wrap {
    min-height: 70vh;
    display: grid;
    place-items: center;
    position: relative;
}

.login-card, .narrow {
    max-width: 430px;
    margin: 40px auto;
}

.inline {
    display: inline;
}

.two {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

/* Responsiveness Base */
@media (max-width: 800px) {
    .two {
        grid-template-columns: 1fr;
    }
    table {
        font-size: 14px;
    }
}


/* ====================================================
   UNIVERSAL SAAS INTERACTIVE HOVER ANIMATION MODULE
   ==================================================== */

/* 1. Base transition definition for all clickable elements */
button,
.btn,
.btn-upload,
.btn-download,
.btn-delete,
aside.side a,
.card,
.sheet-card,
.role-card,
.excel-link,
table tr {
    transition: var(--transition-premium);
}

/* 2. Main buttons hover zoom & glow */
button:not(.danger):hover,
.btn:not(.danger):hover,
.btn-upload:hover {
    transform: scale(1.05) translateY(-2px);
    filter: brightness(1.1);
    box-shadow: 0 6px 20px var(--orange-glow);
    background: #ffa84d; 
}

/* 3. Danger/Delete buttons hover zoom & glow */
button.danger:hover,
.btn.danger:hover,
.btn-delete:hover {
    transform: scale(1.05) translateY(-2px);
    filter: brightness(1.15);
    box-shadow: 0 6px 20px rgba(230, 75, 60, 0.3);
}

/* 4. Sidebar navigation buttons hover lift & custom transition */
aside.side a:hover {
    transform: scale(1.03) translateX(4px);
    background: var(--orange-accent) !important;
    color: #111 !important;
    font-weight: bold;
    box-shadow: 0 4px 12px var(--orange-glow);
}

/* 5. Dashboard, student and learning cards hover lift & glow */
.grid .card:hover,
.sheets-grid .sheet-card:hover,
.folders-grid .folder-card:hover {
    transform: scale(1.03) translateY(-4px);
    border-color: var(--orange-accent) !important;
    box-shadow: 0 10px 25px rgba(255, 153, 51, 0.15) !important;
}

[data-theme="dark"] .grid .card:hover,
[data-theme="dark"] .sheets-grid .sheet-card:hover,
[data-theme="dark"] .folders-grid .folder-card:hover {
    background: #1c130a;
}

/* 6. Base active-pressed micro-interaction for organic click feel */
button:active,
.btn:active,
aside.side a:active,
.card:active {
    transform: scale(0.98) translateY(0);
}


/* ====================================================
   ADVANCED PREMIUM UI ANIMATION ENGINE
   ==================================================== */

/* Page entrance lift reveal */
.page-reveal {
    animation: pageReveal 0.45s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes pageReveal {
    0% {
        opacity: 0;
        transform: translateY(15px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll reveal helper classes */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Premium Top Progress Loading Bar */
#top-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--orange-accent), #ffa84d, #ffcc80);
    width: 0%;
    z-index: 100000;
    transition: width 0.3s ease;
    box-shadow: 0 0 10px rgba(255, 153, 51, 0.5);
    pointer-events: none;
}

/* Skeleton Loading Loader */
.skeleton-loader {
    background: linear-gradient(90deg, #181818 25%, #251a0f 50%, #181818 75%);
    background-size: 200% 100%;
    animation: skeletonGlow 1.5s infinite;
    border-radius: 4px;
    display: inline-block;
}

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

/* Spinner Loader */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid rgba(255, 153, 51, 0.2);
    border-top-color: var(--orange-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Ambient Orbiting Shapes */
.ambient-glow {
    position: absolute;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 153, 51, 0.1) 0%, rgba(255, 153, 51, 0) 70%);
    filter: blur(55px);
    z-index: -1;
    pointer-events: none;
}

#orb-1 {
    animation: orbit1 25s infinite linear;
}

#orb-2 {
    animation: orbit2 30s infinite linear;
}

@keyframes orbit1 {
    0% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(60px, -60px) scale(1.25); }
    66% { transform: translate(-40px, 40px) scale(0.85); }
    100% { transform: translate(0, 0) scale(1); }
}

@keyframes orbit2 {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-70px, 50px) scale(1.15); }
    100% { transform: translate(0, 0) scale(1); }
}

/* Dynamic Notification Toast styles */
#toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 1000000;
    pointer-events: none;
}

@media (max-width: 576px) {
    #toast-container {
        top: auto;
        bottom: 24px;
        left: 24px;
        right: 24px;
    }
    .toast-notification {
        min-width: 0 !important;
        width: 100%;
        max-width: none !important;
    }
}

.toast-notification {
    background: var(--card-bg);
    border-left: 4px solid var(--orange-accent);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 16px 20px;
    color: var(--text-color);
    font-size: 14px;
    font-weight: bold;
    min-width: 280px;
    max-width: 360px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    gap: 12px;
    pointer-events: auto;
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast-notification.active {
    opacity: 1;
    transform: translateX(0);
}

.toast-notification.success {
    border-left-color: #4caf50;
}

.toast-notification.error {
    border-left-color: #f44336;
}

.toast-notification.warning {
    border-left-color: #ff9800;
}

[data-theme="dark"] .toast-notification.success { background: #111e15; }
[data-theme="dark"] .toast-notification.error { background: #251212; }
[data-theme="dark"] .toast-notification.warning { background: #23160a; }

/* Glassmorphism Styles */
.glass-card {
    background: rgba(24, 24, 24, 0.7) !important;
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 153, 51, 0.15) !important;
}

/* Button Ripple effect styling */
.ripple {
    position: absolute;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: scale(0);
    animation: rippleEffect 0.5s ease-out;
    pointer-events: none;
}

@keyframes rippleEffect {
    to {
        transform: scale(4);
        opacity: 0;
    }
}


/* ====================================================
   MOBILE SIDEBAR DRAWER AND HAMBURGER MENU SCENE
   ==================================================== */

/* Hamburger Toggler Icon */
#hamburger-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 100;
    box-shadow: none;
}

#hamburger-toggle span {
    display: block;
    width: 100%;
    height: 2.5px;
    background: #ff9933;
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Active Hamburger transformation to Close 'X' symbol */
#hamburger-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

#hamburger-toggle.active span:nth-child(2) {
    opacity: 0;
}

#hamburger-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Theme Mode Switch Button style */
#theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    color: #ff9933;
    transition: var(--transition-fast);
    padding: 0;
    box-shadow: none;
}

#theme-toggle:hover {
    border-color: #ff9933;
    background: rgba(255, 153, 51, 0.1);
}

/* Mobile Sidebar Drawer Layout override */
@media (max-width: 992px) {
    #hamburger-toggle {
        display: flex;
    }
    
    .topbar nav {
        display: none !important;
    }
    
    .app {
        grid-template-columns: 1fr;
    }
    
    .side {
        position: fixed;
        top: 64px;
        left: 0;
        width: 260px;
        height: calc(100vh - 64px);
        z-index: 99;
        border-radius: 0;
        border-top: none;
        border-bottom: none;
        box-shadow: 10px 0 30px rgba(0, 0, 0, 0.2);
        transform: translateX(-100%);
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-sizing: border-box;
        overflow-y: auto; /* Handle long menus on short screen viewports */
    }
    
    body.sidebar-open .side {
        transform: translateX(0);
    }
    
    /* Sliding Overlay Blur background */
    #sidebar-overlay {
        position: fixed;
        top: 64px;
        left: 0;
        width: 100vw;
        height: calc(100vh - 64px);
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(4px);
        z-index: 98;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.4s ease;
    }
    
    body.sidebar-open #sidebar-overlay {
        opacity: 1;
        pointer-events: auto;
    }
}

/* Very Small Mobile Viewports adjustment */
@media (max-width: 480px) {
    .brand span {
        display: none !important; /* Hide "IKAT Academy" text to give maximum horizontal room in header */
    }
}

/* Padding & layout adjustments for mobile screens */
@media (max-width: 768px) {
    .shell {
        padding: 12px !important;
    }
    .card {
        padding: 14px !important;
        margin-bottom: 14px !important;
    }
    h1 {
        font-size: 22px !important;
    }
    h2 {
        font-size: 18px !important;
    }
    .grid {
        gap: 12px !important;
    }
}

/* Horizontal Responsive Table scrolling */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.table-responsive table {
    margin: 0;
    border: none;
}