/* --- CLSU Color Palette --- */
:root {
    --clsu-dark-green: #005a00;
    --clsu-medium-green: #2e8b57;
    --clsu-gold: #ffc107;
    --clsu-dark-text: #212529;
    --clsu-light-text: #f8f9fa;
    --clsu-card-bg-transparent: rgba(255, 255, 255, 0.1);
    --clsu-border-transparent: rgba(255, 255, 255, 0.2);
    --clsu-overlay-dark: rgba(0, 0, 0, 0.65);
    --clsu-shadow-light: rgba(0, 0, 0, 0.3);
    --clsu-shadow-dark: rgba(0, 0, 0, 0.6);
}

/* --- Base Body Styling --- */
body {
    position: relative;
    background-image: url("../images/clsu.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    width: 100%;
    height: 100vh;
    margin: 0;
    padding: 0;
    font-family: "Poppins", sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    /* Prevent scrollbar if content slightly exceeds */
}

@keyframes backgroundPan {
    0% {
        background-position: 0% 0%;
    }

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

/* --- Overlay and Blur Effect --- */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--clsu-overlay-dark);
    backdrop-filter: blur(10px);
    z-index: -1;
}

/* --- Card Styling (Applied to both .login-card and .register-card) --- */
.login-card,
.register-card {
    background: var(--clsu-card-bg-transparent);
    border: 1px solid var(--clsu-border-transparent);
    padding: 45px;
    border-radius: 25px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 20px 50px var(--clsu-shadow-dark);
    color: var(--clsu-light-text);
    max-width: 500px;
    width: 100%;
    box-sizing: border-box;
    animation: fadeInScale 0.8s ease-out forwards;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* Hover effect for the card */
.login-card:hover,
.register-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 60px var(--clsu-shadow-dark);
}

/* Animation for card entrance */
@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(40px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* --- Header within Cards --- */
.login-card .text-center img,
.register-card .text-center img,
.forgot-password-card .text-center img {
    margin-bottom: 25px;
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.5));
    transition: transform 0.3s ease;
    animation: logoPulse 2s infinite ease-in-out;
}

.login-card .text-center img:hover,
.register-card .text-center img:hover,
.forgot-password-card .text-center img:hover {
    transform: scale(1.05);
}

.login-card .text-center h5,
.register-card .text-center h5,
.forgot-password-card .text-center h5 {
    font-weight: 700;
    margin-bottom: 40px;
    color: var(--clsu-light-text);
    letter-spacing: 1px;
    text-shadow: 0 3px 8px rgba(0, 0, 0, 0.4);
    font-size: 1.6rem;
}

/* --- Form Labels --- */
.form-label {
    color: var(--clsu-light-text);
    font-weight: 600;
    margin-bottom: 12px;
    font-size: 0.95rem;
}

/* --- Form Controls (Input Fields) --- */
.form-control {
    border-radius: 15px;
    padding: 16px 20px;
    font-size: 18px;
    background-color: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: var(--clsu-dark-text);
    box-shadow: inset 0 3px 6px rgba(0, 0, 0, 0.15);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.form-control::placeholder {
    color: #999;
    opacity: 0.8;
}

.form-control:focus {
    border-color: var(--clsu-medium-green);
    box-shadow: 0 0 0 0.4rem rgba(46, 139, 87, 0.4);
    background-color: #fff;
    transform: scale(1.01);
}

/* --- Password Container & Toggle Icon --- */
.password-container {
    position: relative;
    display: flex;
    align-items: center;
}

.password-container .form-control {
    padding-right: 55px;
}

.password-toggle {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: #777;
    z-index: 2;
    font-size: 1.3rem;
    transition: color 0.2s ease;
}

.password-toggle:hover {
    color: var(--clsu-dark-text);
    transform: translateY(-50%) scale(1.1);
}

/* --- Info Text (for password requirements) --- */
small.text-white {
    display: block;
    margin-top: 8px;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.85) !important;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    font-weight: 400;
}

/* --- Forgot Password Link --- */
.forgot-link {
    text-align: right;
    margin-top: 10px;
    margin-bottom: 25px;
}

.forgot-link a {
    color: var(--clsu-light-text);
    text-decoration: none;
    font-size: 1.05rem;
    font-weight: 500;
    transition: color 0.2s ease, text-decoration 0.2s ease;
}

.forgot-link a:hover {
    color: var(--clsu-gold);
    /* Gold on hover */
    text-decoration: underline;
    text-shadow: 0 0 5px rgba(255, 215, 0, 0.5);
}

/* --- Buttons (Login and Register) --- */
.btn-login,
.btn-register {
    border-radius: 15px;
    font-weight: 700;
    width: 100%;
    padding: 9px;
    background: linear-gradient(45deg,
            var(--clsu-dark-green),
            var(--clsu-medium-green));
    color: var(--clsu-light-text);
    border: none;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    font-size: 1.25rem;
    letter-spacing: 0.8px;
    box-shadow: 0 8px 25px rgba(0, 90, 0, 0.5);
    cursor: pointer;
    text-transform: uppercase;
}

.btn-login:hover,
.btn-register:hover {
    background: linear-gradient(45deg,
            var(--clsu-medium-green),
            var(--clsu-gold));
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 90, 0, 0.6);
    color: var(--clsu-dark-text);
    letter-spacing: 1px;
}

.btn-login i,
.btn-register i {
    margin-right: 12px;
}

/* --- Links (Login/Register prompts) --- */
.login-link,
.register-link {
    text-align: center;
    font-size: 16px;
    margin-top: 35px;
    color: rgba(255, 255, 255, 0.95);
}

.login-link a,
.register-link a {
    color: var(--clsu-gold);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease, text-decoration 0.2s ease,
        text-shadow 0.2s ease;
}

.login-link a:hover,
.register-link a:hover {
    color: var(--clsu-light-text);
    text-decoration: underline;
    text-shadow: 0 0 5px rgba(255, 215, 0, 0.5);
}

/* --- Alert Messages --- */
.alert {
    border-radius: 15px;
    font-size: 1rem;
    padding: 16px 25px;
    margin-bottom: 30px;
    text-align: center;
    font-weight: 500;
    border: none;
    box-shadow: 0 4px 12px var(--clsu-shadow-light);
}

.alert-danger {
    background-color: rgba(220, 53, 69, 0.95);
    color: white;
}

.alert-success {
    background-color: rgba(40, 167, 69, 0.95);
    color: white;
}

.alert ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

/* --- Responsive Adjustments --- */
@media screen and (max-width: 768px) {

    .login-card,
    .register-card {
        padding: 35px 30px;
        margin: 0 20px;
        max-width: calc(100% - 40px);
    }

    .form-control {
        font-size: 17px;
        padding: 14px 18px;
    }

    .btn-login,
    .btn-register {
        font-size: 1.1rem;
        padding: 14px;
    }

    .login-card .text-center h5,
    .register-card .text-center h5 {
        font-size: 1.4rem;
        margin-bottom: 30px;
    }
}

@media screen and (max-width: 480px) {

    .login-card,
    .register-card,
    .forgot-password-card {
        padding: 30px 25px;
    }

    .login-card .text-center h5,
    .forgot-password-card .text-center h5,
    .register-card .text-center h5 {
        font-size: 1.15rem;
        margin-bottom: 25px;
    }

    .form-label {
        font-size: 0.9rem;
    }

    .form-control {
        font-size: 14px;
        padding: 12px 15px;
    }

    .btn-login,
    .btn-register {
        font-size: 1rem;
        padding: 12px;
    }
}

.btn-primary {
    font-size: 1rem;
    padding: 12px;
}

/* Specific adjustments for forgot password h1 and p on very small screens */
.forgot-password-card h1 {
    font-size: 1.5rem;
}

.forgot-password-card p {
    font-size: 0.9rem;
}

/* --- Forgot Password Card Styling (Matches login/register cards) --- */
.forgot-password-card {
    background: var(--clsu-card-bg-transparent);
    border: 1px solid var(--clsu-border-transparent);
    padding: 45px;
    border-radius: 25px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 20px 50px var(--clsu-shadow-dark);
    color: var(--clsu-light-text);
    max-width: 500px;
    width: 100%;
    box-sizing: border-box;
    animation: fadeInScale 0.8s ease-out forwards;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* Hover effect for the forgot password card */
.forgot-password-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 60px var(--clsu-shadow-dark);
}

/* Animation for card entrance (reused from login/register) */
@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(40px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* NEW ANIMATION FOR LOGO */
@keyframes logoPulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.02);
    }

    100% {
        transform: scale(1);
    }
}

/* --- Header within Forgot Password Card --- */
.forgot-password-card .text-center img {
    margin-bottom: 25px;
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.5));
    transition: transform 0.3s ease;
}

.forgot-password-card .text-center img:hover {
    transform: scale(1.05);
}

.forgot-password-card .text-center h5 {
    font-weight: 700;
    margin-bottom: 40px;
    color: var(--clsu-light-text);
    letter-spacing: 1px;
    text-shadow: 0 3px 8px rgba(0, 0, 0, 0.4);
    font-size: 1.6rem;
}

/* --- Headings and Paragraphs specific to Forgot Password --- */
.forgot-password-card h1 {
    font-size: 2.2rem;
    /* Adjusted to match aesthetic */
    font-weight: 700;
    color: var(--clsu-gold);
    text-align: center;
    margin-bottom: 20px;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.forgot-password-card p {
    font-size: 1.1rem;
    /* Adjusted to match aesthetic */
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
    margin-bottom: 30px;
    line-height: 1.6;
    font-weight: 400;
}

/* --- Form Labels (consistent across all forms) --- */
.form-group label {
    color: var(--clsu-light-text);
    font-weight: 600;
    margin-bottom: 12px;
    font-size: 0.95rem;
    display: block;
    /* Ensure label takes full width */
}

/* --- Form Controls (Input Fields - consistent across all forms) --- */
.form-control {
    border-radius: 15px;
    padding: 16px 20px;
    font-size: 18px;
    background-color: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: var(--clsu-dark-text);
    box-shadow: inset 0 3px 6px rgba(0, 0, 0, 0.15);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    width: 100%;
    /* Ensure input takes full width */
    box-sizing: border-box;
    /* Include padding in width */
}

.form-control::placeholder {
    color: #999;
    opacity: 0.8;
}

.form-control:focus {
    border-color: var(--clsu-medium-green);
    box-shadow: 0 0 0 0.4rem rgba(46, 139, 87, 0.4);
    background-color: #fff;
    transform: scale(1.01);
}

/* --- Buttons (Send Password Reset Link - consistent with login/register buttons) --- */
.btn-primary {
    /* Applied to the specific button */
    border-radius: 15px;
    font-weight: 700;
    width: 100%;
    padding: 16px;
    background: linear-gradient(45deg,
            var(--clsu-dark-green),
            var(--clsu-medium-green));
    color: var(--clsu-light-text);
    border: none;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    font-size: 1.25rem;
    letter-spacing: 0.8px;
    box-shadow: 0 8px 25px rgba(0, 90, 0, 0.5);
    cursor: pointer;
    text-transform: uppercase;
    margin-top: 30px;
    /* Consistent margin */
}

.btn-primary:hover {
    background: linear-gradient(45deg,
            var(--clsu-medium-green),
            var(--clsu-gold));
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 90, 0, 0.6);
    color: var(--clsu-dark-text);
    letter-spacing: 1px;
}

/* --- Alert Messages (consistent across all forms) --- */
.alert {
    border-radius: 15px;
    font-size: 1rem;
    padding: 16px 25px;
    margin-bottom: 30px;
    text-align: center;
    font-weight: 500;
    border: none;
    box-shadow: 0 4px 12px var(--clsu-shadow-light);
}

.alert-danger {
    background-color: rgba(220, 53, 69, 0.95);
    color: white;
}

.alert-success {
    background-color: rgba(40, 167, 69, 0.95);
    color: white;
}

.alert ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

/* --- Main div container for the card --- */
/* This ensures the card is centered like login/register */
main .div {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    /* Ensure it takes full viewport height */
    padding: 20px;
    /* Add some padding */
    box-sizing: border-box;
    /* Include padding in dimensions */
}