/* ============================================================
   1. GLOBAL RESET
============================================================ */

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

html,
body {
    width: 100%;
    min-height: 100%;
    overflow-x: hidden;
    font-family: 'Poppins',sans-serif;
    scroll-behavior: smooth;
}

    /* ============================================================
   2. GLASS BACKGROUND
============================================================ */

    body.glass-bg::before {
        content: "";
        position: fixed;
        inset: 0;
        background: url('../images/clg.png') center/cover no-repeat;
        filter: blur(2px) brightness(0.95);
        transform: scale(1.02);
        z-index: -2;
    }

    body.glass-bg::after {
        content: "";
        position: fixed;
        inset: 0;
        background: rgba(6,40,61,0.15);
        z-index: -1;
    }

/* ============================================================
   3. COMMON LAYOUTS
============================================================ */

.layout-center {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.layout-column {
    display: flex;
    flex-direction: column;
    width: 100%;
    padding: 20px;
}

/* ============================================================
   4. HEADER
============================================================ */

.college-header-top {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 9999;
    padding: 8px 12px;
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255,255,255,0.2);
    transition: padding 0.35s ease, transform 0.35s ease, background 0.35s ease;
    will-change: transform;
}

    /* SHRINK MODE */

    .college-header-top.shrink {
        padding: 10px 20px;
    }

    /* HIDE MODE */

    .college-header-top.hide {
        transform: translateY(-100%);
    }

/* ============================================================
   5. HEADER CONTENT
============================================================ */

.header-container,
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.college-logo-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    line-height: 0;
    border-radius: 8px;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.college-logo-link:hover {
    opacity: 0.85;
    transform: scale(1.03);
}

.college-logo-link:focus-visible {
    outline: 2px solid #a32623;
    outline-offset: 3px;
}

.college-logo,
.naac-logo {
    width: auto;
    object-fit: contain;
    flex-shrink: 0;
}

.affiliation-text {
    margin: 0;
    font-size: 0.85rem;
    color: #0b3d91;
    line-height: 1.3;
}

.messages-container {
    max-width: 900px;
    margin: 0 auto 16px;
}

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 8px;
    font-size: 14px;
}

.alert-error, .alert-danger { background: #fee2e2; color: #991b1b; }
.alert-success { background: #dcfce7; color: #166534; }
.alert-info { background: #dbeafe; color: #1e40af; }

.site-footer {
    text-align: center;
    padding: 20px;
    color: rgba(255,255,255,0.7);
    font-size: 13px;
}

/* ============================================================
   6. COLLEGE INFO
============================================================ */

.college-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    text-align: center;
    padding: 0;
    margin: 0;
    min-width: 0;
    background: transparent;
    transition: 0.3s ease;
}

    .college-title-main {
        font-size: 1.5rem;
        font-weight: 800;
        background: linear-gradient(90deg,#ff4d4d,#c9302c);
        background-size: 200% auto;
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        transition: transform 0.4s ease, text-shadow 0.4s ease;
        margin: 0;
        line-height: 1.3;
    }

/* Gradient moving effect */
@keyframes shineText {
    0% {
        background-position: 0% center;
    }

    100% {
        background-position: 200% center;
    }
}

    .college-info h4 {
        font-size: 0.95rem;
        font-weight: 600;
        color: #dbb905;
        margin: 0;
        line-height: 1.3;
    }

    .college-info h5 {
        font-size: 0.8rem;
        color: #06283D;
        margin: 0;
        line-height: 1.3;
    }

/* SHRINK TEXT */

.college-header-top.shrink .college-title-main {
    font-size: 1.1rem;
}

.college-header-top.shrink .college-info h4 {
    font-size: 0.8rem;
}

.college-header-top.shrink .college-info h5 {
    font-size: 0.7rem;
}

/* ============================================================
   7. LOGOS
============================================================ */

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

.emblem-box {
    background: rgba(255,255,255,0.9);
    padding: 8px;
    border-radius: 12px;
    width: 75px;
    height: 75px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.3s ease;
}

    .emblem-box img {
        max-width: 100%;
        max-height: 55px;
        object-fit: contain;
    }

/* SHRINK LOGO */

.college-header-top.shrink .emblem-box {
    width: 60px;
    height: 60px;
}

    .college-header-top.shrink .emblem-box img {
        max-height: 45px;
    }

/* ============================================================
   8. MAIN LAYOUT
============================================================ */

.layout-wrapper {
    width: 100%;
    min-height: calc(100vh - 20px);
    padding: 20px;
}

.page-container {
    width: 100%;
    min-height: 100%;
}

.content-scroll {
    width: 100%;
    min-height: auto;
}

/* ============================================================
   9. MAIN BODY CONTENT
============================================================ */

.main-body-content {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 20px;
}

/* ============================================================
   10. CARDS
============================================================ */

.card,
.login-card-box,
.home-card-box,
.reg-card-box {
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 15px 35px rgba(0,0,0,0.35);
    transition: 0.3s ease;
}

    .card:hover,
    .login-card-box:hover,
    .home-card-box:hover,
    .reg-card-box:hover {
        transform: translateY(-4px) scale(1.01);
    }

/* ============================================================
   11. INPUTS
============================================================ */

.login-input,
.reg-input {
    width: 100%;
    padding: 12px 14px;
    margin: 8px 0;
    border-radius: 10px;
    border: 1px solid rgba(0,0,0,0.15);
    background: #fff;
    color: #222;
    outline: none;
    transition: 0.3s ease;
}

    .login-input:focus,
    .reg-input:focus {
        border-color: #0078ff;
        box-shadow: 0 0 0 3px rgba(0,120,255,0.15);
    }

/* ============================================================
   12. BUTTONS
============================================================ */

button,
input[type="submit"],
input[type="button"] {
    cursor: pointer;
}

/* ============================================================
   13. RESPONSIVE
============================================================ */

@media (max-width:768px) {

    .college-header-top {
        padding: 12px;
    }

    .header-inner {
        gap: 8px;
    }

    .college-info {
        gap: 4px;
    }

        .college-title-main {
            font-size: 0.95rem;
        }

        .college-info h4 {
            font-size: 0.68rem;
        }

        .college-info h5 {
            font-size: 0.65rem;
        }

    .college-logo,
    .naac-logo {
        height: 48px;
    }

    .affiliation-text {
        font-size: 0.68rem;
        line-height: 1.4;
        word-break: break-word;
    }

    .logo-group {
        margin-top: 10px;
    }

    .emblem-box {
        width: 60px;
        height: 60px;
    }

        .emblem-box img {
            max-height: 42px;
        }

    .reg-card-box,
    .login-card-box,
    .home-card-box {
        width: 100%;
        padding: 20px;
    }

    .layout-wrapper {
        padding: 12px;
    }

    .main-body-content {
        padding: 10px;
    }
}