/* -------------------------------------------------------
   CryptForge Dark Forged Theme
   Bootstrap-Compatible Dark Mode
   ------------------------------------------------------- */

/* Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;600;700&display=swap');

/* Root Theme Variables */
:root {
    --cf-bg: #0d1117;
    --cf-surface: #161b22;
    --cf-surface-light: #1b222c;
    --cf-border: #30363d;
    --cf-text: #e6edf3;
    --cf-text-muted: #8b949e;
    --cf-primary: #00d1ff;
    --cf-primary-glow: rgba(0, 209, 255, 0.5);
    --cf-danger: #ff4d6d;
    --cf-success: #2ecc71;
    --cf-radius: 6px;
    --cf-transition: 0.18s ease;
}

/* Global */
html, body {
    background-color: var(--cf-bg);
    color: var(--cf-text);
    font-family: 'Inter', sans-serif;
    min-height: 100%;
    position: relative;
    z-index: 1;
}

/* Links */
a {
    color: var(--cf-primary);
    text-decoration: none;
    transition: var(--cf-transition);
}

    a:hover {
        color: #7feaff;
        text-shadow: 0 0 6px var(--cf-primary-glow);
    }

/* CryptForge Header */
.cf-glow {
    color: #7feaff;
    text-shadow: 0 0 6px var(--cf-primary-glow);
}

/* Navbar */
.navbar {
    background-color: var(--cf-surface) !important;
    border-bottom: 1px solid var(--cf-border);
}

.navbar-brand,
.nav-link {
    color: var(--cf-text-muted) !important;
    font-weight: 500;
}

    .nav-link:hover,
    .navbar-brand:hover {
        color: var(--cf-primary) !important;
        text-shadow: 0 0 6px var(--cf-primary-glow);
    }

/* Footer */
footer {
    background-color: var(--cf-surface);
    border-top: 1px solid var(--cf-border);
    color: var(--cf-text-muted);
    padding: 1rem 0;
}

/* Buttons */
.btn-primary {
    background-color: var(--cf-primary);
    border-color: var(--cf-primary);
    color: #000;
    font-weight: 600;
    border-radius: var(--cf-radius);
    transition: var(--cf-transition);
}

    .btn-primary:hover {
        background-color: #7feaff;
        border-color: #7feaff;
        box-shadow: 0 0 12px var(--cf-primary-glow);
    }

.btn-secondary {
    background-color: var(--cf-surface-light);
    border-color: var(--cf-border);
    color: var(--cf-text);
    border-radius: var(--cf-radius);
}

    .btn-secondary:hover {
        background-color: var(--cf-surface);
        border-color: var(--cf-primary);
        color: var(--cf-primary);
    }

/* Inputs */
.form-control,
textarea,
input {
    background-color: var(--cf-surface-light);
    border: 1px solid var(--cf-border);
    color: var(--cf-text);
    border-radius: var(--cf-radius);
}

    .form-control:focus,
    textarea:focus,
    input:focus {
        background-color: var(--cf-surface);
        border-color: var(--cf-primary);
        box-shadow: 0 0 8px var(--cf-primary-glow);
        color: var(--cf-text);
    }

/* Cards / Panels */
.card {
    background-color: var(--cf-surface);
    border: 1px solid var(--cf-border);
    border-radius: var(--cf-radius);
    box-shadow: 0 0 12px rgba(0,0,0,0.25);
}

/* Headings */
h1, h2, h3, h4, h5 {
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.5px;
    color: var(--cf-text);
}

/* Buttons on Home Page */
.btn-group .btn {
    min-width: 120px;
}

/* Textarea auto-expand */
.auto-expand {
    overflow: hidden;
    resize: none;
    min-height: 120px;
    background-color: var(--cf-surface-light);
    color: var(--cf-text);
}

/* Utility */
.border-bottom {
    border-color: var(--cf-border) !important;
}

.text-muted {
    color: var(--cf-text-muted) !important;
}

/* Dropdown caret */
.caret-icon {
    font-size: 0.8rem;
    transition: transform 0.2s ease;
}

/* Rotate caret when open */
.nav-link[aria-expanded="true"] .caret-icon {
    transform: rotate(180deg);
}

/* Submenu styling */
#encryptMenuMobile .nav-link {
    padding-left: 1rem;
    color: var(--cf-text-muted);
}

    #encryptMenuMobile .nav-link:hover {
        color: var(--cf-primary);
        text-shadow: 0 0 6px var(--cf-primary-glow);
    }

/* Submenu styling */
#encryptMenuDesktop .nav-link {
    padding-left: 1rem;
    color: var(--cf-text-muted);
}

    #encryptMenuDesktop .nav-link:hover {
        color: var(--cf-primary);
        text-shadow: 0 0 6px var(--cf-primary-glow);
    }

/* Smooth collapse animation */
.collapse {
    transition: height 0.25s ease;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 10%;
    height: 100vh;
    background-color: var(--cf-surface-light);
    overflow-y: auto;
}

/* Sidebar Logo */
.sidebar-logo {
    max-width: 80%;
    height: auto;
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
    filter: drop-shadow(0 0 6px var(--cf-primary-glow));
}

/* Shared styles for all screen sizes */
.flex-grow-1 {
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-y: auto; /* scroll container */
}

/* Desktop only */
@media (min-width: 768px) {
    .sidebar {
        width: clamp(180px, 10%, 260px);
        min-width: 180px;
    }

    .flex-grow-1 {
        margin-left: clamp(180px, 10%, 260px);
        height: 100vh; /* keep scroll container */
        overflow-y: auto;
    }
}

/* Mobile: no sidebar offset AND no scroll container */
@media (max-width: 767px) {
    .flex-grow-1 {
        margin-left: 0;
        overflow-y: visible; /* remove inner scroll */
        padding-top: 56px;
    }

    #mobileNav .sidebar-logo {
        max-width: 40%;
        margin-top: 0.25rem;
        margin-bottom: 0.25rem;
    }
}

/* Main content fills available space */
.main-content {
    flex: 1; /* fills remaining vertical space */
    padding: 1rem 2rem;
    display: flex;
    flex-direction: column;
}

/* Sticky footer wrapper */
.main-bottom {
    position: sticky;
    bottom: 0;
    z-index: 10;
}

/* Footer styling */
.footer-inner {
    background-color: var(--cf-surface-light);
    padding: 1rem 0;
    text-align: center;
    font-size: 0.9rem;
}

/* Matrix background canvus */
.offcanvas-top {
    height: 100vh !important;
}

/* Matrix background */
#matrix-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-color: var(--cf-bg);
}