/* ===================================================
   Auth Pages — Shared Styles (Login & Register)
   =================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100vh; overflow: hidden; font-family: 'Inter', sans-serif; }

.auth-root {
    height: 100vh; width: 100%;
    background: url('../img/gyanmanjari-innovative-university.webp') center/cover no-repeat;
    display: flex; align-items: center; justify-content: center;
    position: relative;
}

.auth-root::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 33, 71, 0.9) 0%, rgba(15, 23, 42, 0.82) 100%);
    z-index: 1;
}

/* --- Auth Card Base --- */
.auth-card {
    position: relative; z-index: 2;
    width: 100%; max-width: 440px;
    background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(16px);
    border-radius: 24px; padding: 48px 40px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.4);
    border: 1px solid rgba(255,255,255,0.6);
}

/* Register variant */
.auth-card.auth-card-register {
    max-width: 500px;
    border-radius: 20px; padding: 24px 32px;
    overflow: hidden;
}

/* Admin variant */
.auth-card.auth-card-admin {
    max-width: 420px;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px; padding: 40px 32px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255,255,255,0.4);
    border: 1px solid rgba(255, 255, 255, 0.25);
    text-align: center;
}

/* --- Logo Box --- */
.logo-box {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    margin-bottom: 24px;
}
.logo-box img {
    width: 60px; height: 60px; border-radius: 14px;
    object-fit: cover; margin-bottom: 12px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}
.logo-box h3 { font-weight: 800; font-size: 1.6rem; color: #0f0c29; margin-bottom: 4px; }
.logo-box p { color: #64748b; font-size: 0.9rem; font-weight: 500; }

/* Register logo variant */
.auth-card-register .logo-box { margin-bottom: 12px; }
.auth-card-register .logo-box img {
    width: auto; max-width: 130px; border-radius: 0;
    object-fit: contain; margin-bottom: 5px;
    box-shadow: none;
}
.auth-card-register .logo-box h3 { font-size: 1.25rem; margin-bottom: 0px; }
.auth-card-register .logo-box p { font-size: 0.75rem; }

/* Admin logo variant */
.auth-card-admin .logo-box img {
    width: auto; height: auto; max-height: 70px;
    margin-bottom: 12px;
    object-fit: contain;
    border-radius: 0; box-shadow: none;
}
.auth-card-admin .logo-box h3 { font-size: 1.45rem; color: #0f172a; }
.auth-card-admin .logo-box p { font-size: 0.85rem; }
.auth-card-admin .logo-box .badge {
    background: rgba(190, 30, 45, 0.1);
    color: #be1e2d;
    padding: 5px 12px;
    font-weight: 700;
    font-size: 0.7rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    border-radius: 30px;
    margin-bottom: 12px;
    border: 1px solid rgba(190, 30, 45, 0.2);
}

/* --- Input Groups --- */
.input-group-custom { position: relative; margin-bottom: 16px; }
.input-group-custom .ico {
    position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
    color: #94a3b8; font-size: 0.9rem; pointer-events: none;
}
.input-group-custom input {
    width: 100%; border: 2px solid #e2e8f0; border-radius: 12px;
    padding: 13px 16px 13px 44px; font-size: 0.9rem; font-family: 'Inter', sans-serif;
    color: #0f0c29; background: #fff; transition: all 0.25s; outline: none;
}
.input-group-custom input:focus { border-color: #002147; box-shadow: 0 0 0 3px rgba(0,33,71,0.15); }
.input-group-custom input::placeholder { color: #94a3b8; font-weight: 500; }

/* Register input variant */
.auth-card-register .input-group-custom { margin-bottom: 8px; }
.auth-card-register .input-group-custom .ico { left: 14px; font-size: 0.8rem; }
.auth-card-register .input-group-custom input,
.auth-card-register .input-group-custom select {
    width: 100%; border: 1.5px solid #e2e8f0; border-radius: 10px;
    padding: 8px 12px 8px 38px; font-size: 0.8rem; font-family: 'Inter', sans-serif;
    color: #0f0c29; background: #fff; transition: all 0.25s; outline: none;
    -webkit-appearance: none; appearance: none;
}
.auth-card-register .input-group-custom select { cursor: pointer; }
.auth-card-register .input-group-custom input:focus,
.auth-card-register .input-group-custom select:focus { border-color: #002147; box-shadow: 0 0 0 2px rgba(0,33,71,0.1); }
.auth-card-register .input-group-custom input::placeholder { color: #94a3b8; font-weight: 400; opacity: 0.7; }

/* Admin input variant */
.auth-card-admin .input-group-custom { margin-bottom: 18px; }
.auth-card-admin .input-group-custom .ico {
    color: #64748b; font-size: 0.95rem;
    transition: color 0.2s ease;
}
.auth-card-admin .input-group-custom input {
    border: 1.5px solid #e2e8f0;
    padding: 12px 16px 12px 46px; font-size: 0.9rem;
    color: #0f172a; background: rgba(255, 255, 255, 0.6); transition: all 0.25s ease;
}
.auth-card-admin .input-group-custom input:focus {
    border-color: #002147;
    background: #ffffff;
    box-shadow: 0 0 0 4px rgba(0, 33, 71, 0.1);
}
.auth-card-admin .input-group-custom input:focus ~ .ico { color: #002147; }
.auth-card-admin .input-group-custom input::placeholder { color: #94a3b8; font-weight: 500; }

/* --- Field Labels --- */
.field-label { display: block; font-size: 0.85rem; font-weight: 600; color: #334155; margin-bottom: 8px; margin-left: 2px; }
.auth-card-register .field-label { font-size: 0.72rem; font-weight: 700; color: #475569; margin-bottom: 3px; margin-left: 1px; }
.auth-card-admin .field-label {
    font-size: 0.78rem; font-weight: 700; color: #475569;
    margin-bottom: 6px; margin-left: 2px; text-align: left;
    text-transform: uppercase; letter-spacing: 0.5px;
}

/* --- Form Rows (Register) --- */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.roll-row { display: grid; grid-template-columns: 75px 1fr; gap: 8px; }

/* --- Submit Buttons --- */
.btn-submit {
    width: 100%; padding: 14px; border: none; border-radius: 12px;
    background: #be1e2d;
    color: #fff; font-size: 1rem; font-weight: 700; font-family: 'Inter', sans-serif;
    cursor: pointer; transition: all 0.25s; box-shadow: 0 8px 20px rgba(190,30,45,0.3);
    display: flex; align-items: center; justify-content: center; gap: 10px; margin-top: 24px;
}
.btn-submit:hover { transform: translateY(-2px); box-shadow: 0 12px 25px rgba(190,30,45,0.4); background: #9a0a18; }

/* Register submit variant */
.auth-card-register .btn-submit {
    padding: 10px; border-radius: 10px;
    font-size: 0.9rem;
    box-shadow: 0 5px 15px rgba(190,30,45,0.25);
    gap: 8px; margin-top: 10px;
}
.auth-card-register .btn-submit:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(190,30,45,0.3); }

/* Admin submit variant */
.auth-card-admin .btn-submit {
    padding: 13px; border-radius: 12px;
    background: linear-gradient(135deg, #002147 0%, #001530 100%);
    font-size: 0.95rem;
    box-shadow: 0 4px 12px rgba(0,33,71,0.2);
    gap: 8px; margin-top: 24px;
}
.auth-card-admin .btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,33,71,0.35);
    background: linear-gradient(135deg, #be1e2d 0%, #9a0a18 100%);
}

/* --- Alt Links --- */
.alt-link { text-align: center; margin-top: 20px; font-size: 0.9rem; color: #64748b; font-weight: 500; }
.alt-link a { color: #be1e2d; font-weight: 700; text-decoration: none; }
.alt-link a:hover { text-decoration: underline; }

.auth-card-register .alt-link { margin-top: 12px; font-size: 0.8rem; }
.auth-card-admin .alt-link { margin-top: 24px; }

/* --- Error Box --- */
.error-box {
    display: flex; align-items: center; gap: 10px; background: #fff1f2;
    border: 1px solid #fda4af; border-radius: 10px; padding: 12px 16px;
    font-size: 0.88rem; color: #be123c; margin-bottom: 20px; font-weight: 500;
}
.auth-card-register .error-box {
    gap: 8px; border-radius: 8px; padding: 6px 12px;
    font-size: 0.78rem; margin-bottom: 10px;
}

/* --- Success Screen (Register) --- */
.success-state { text-align: center; padding: 20px 0; }
.success-state .icon {
    width: 64px; height: 64px; border-radius: 50%; background: #be1e2d;
    color: #fff; font-size: 1.8rem; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px;
}
.success-state h3 { font-size: 1.4rem; font-weight: 800; color: #0f0c29; margin-bottom: 8px; }
.success-state p { color: #64748b; font-size: 0.9rem; margin-bottom: 24px; }